MRI compatible patient monitor: Uses, Safety, Operation, and top Manufacturers & Suppliers

H2: Introduction

An MRI compatible patient monitor is a specialized patient monitoring medical device designed to measure and display vital signs in and around the MRI environment, where strong magnetic fields and radiofrequency energy can make conventional hospital equipment unsafe or unreliable. In practice, most products used in MRI suites are labeled MR Conditional (meaning they can be used only under specific conditions), and they rely on non-ferromagnetic materials, carefully managed cabling, and shielding or fiber-optic technologies to reduce risk and interference.

It is helpful to remember that the MRI environment is not “one hazard,” but a combination of exposures that can affect equipment differently: the static magnetic field (which creates projectile forces and torque), time-varying gradient fields (which can induce voltages and noise), and radiofrequency (RF) energy (which can contribute to heating). MR-conditional labeling typically addresses these factors through specific, testable limits (for example, allowed field strength, placement distance, maximum spatial gradient, and RF operating mode assumptions). Because those limits differ by model and accessory configuration, an “MRI compatible” claim should always be validated against official labeling and the exact setup you intend to use.

This clinical device matters because the MRI suite is a high-risk setting for monitoring: the patient is often out of direct reach, noise levels are high, and the scanning workflow can limit rapid physical access. When sedation, anesthesia, or high-acuity patients are involved, continuous monitoring supports safer operations, clearer escalation pathways, and better coordination between radiology, anesthesia, nursing, and biomedical engineering.

In many facilities, MRI monitoring also has a workflow role beyond pure safety: it enables consistent “transport-to-scan-to-recovery” handoffs, supports compliance with sedation policies, and helps reduce last-minute improvisation that can introduce risk (such as bringing in non-rated equipment or substituting unapproved accessories). Even in non-sedated cases, certain patient populations and protocols benefit from continuous observation because MRI can be lengthy, claustrophobic, and physiologically stressful.

This article explains, at a practical level, how an MRI compatible patient monitor is used, how to operate it safely, and what common limitations to expect in real-world MRI workflows. It also covers troubleshooting, infection control, the role of manufacturers and OEMs, how vendors and distributors fit into procurement, and a country-by-country snapshot of demand and service considerations. It is informational only and should be used alongside your facility protocols, MRI safety policies, and manufacturer instructions for use.

H2: What is MRI compatible patient monitor and why do we use it?

Definition and purpose

An MRI compatible patient monitor is medical equipment intended to provide physiological monitoring during MRI examinations without introducing unacceptable safety hazards (such as projectile risk or heating) and without causing excessive image artifacts. Compared with standard bedside monitors, MRI-capable systems are designed to tolerate the MRI suite’s electromagnetic conditions and to operate with long lead lengths and remote viewing needs.

In day-to-day language, “MRI compatible” is often used broadly, but safety programs typically rely on standardized terminology. Many facilities distinguish between MR Safe, MR Conditional, and MR Unsafe labeling, and treat “MRI compatible” as insufficient unless it is backed by formal MR labeling and conditions. In practice, most patient monitors used in scanner rooms are MR Conditional, meaning their safe use depends on exact conditions such as placement, accessory selection, and scanner characteristics.

Depending on configuration (varies by manufacturer), an MRI compatible patient monitor may measure and display a combination of:

• ECG/heart rate
• Non-invasive blood pressure (NIBP)
• Oxygen saturation (SpO₂) and pulse rate
• Respiratory rate and/or capnography (EtCO₂)
• Temperature
• Invasive pressures (in specific setups)

Some systems also provide additional operational outputs that can be important in MRI workflows, even if they are not “vital signs” in the traditional sense. Examples include signal quality indicators, perfusion indices (manufacturer-specific), event markers, and in some configurations a trigger/gating output intended to synchronize certain imaging sequences with a physiologic signal. Whether those features are available, permitted, or reliable in your MRI setting depends heavily on the device model, MR conditions, and local policies.

Common clinical settings

Typical settings where an MRI compatible patient monitor is used include:

• MRI for patients receiving sedation or anesthesia
• MRI for critically ill patients transported from ED/ICU
• Pediatric MRI, where motion control or sedation may be required
• Interventional MRI or complex diagnostic workflows with extended scan times
• MRI suites with higher-risk patient populations (cardiac, neurologic, oncology), subject to local protocols

Additional real-world use cases often include stroke or trauma pathways where time pressure can be high, oncology staging protocols with multiple sequences, and cases where the patient has limited physiologic reserve (for example, significant pulmonary disease, heart failure, or unstable arrhythmia history). In some facilities, fetal MRI and certain advanced cardiac studies may also drive higher monitoring requirements, especially when combined with anxiolysis or deeper sedation.

The monitor may be used inside the scanner room (Zone IV in many facility zoning models) with a remote display outside, or in some layouts with the primary display positioned at a controlled distance from the magnet. Exact placement rules vary by manufacturer labeling, magnet type, and facility design.

A common architecture is “patient-side acquisition, remote viewing”: a compact patient module is placed in the scanner room (within the MR-conditional allowance), while the main display and controls are positioned in the control room. This setup reduces the need for staff to enter Zone IV during scanning and can improve alarm audibility and visibility. It also helps keep cables and tubes organized so they can be routed safely and consistently.

Key benefits in patient care and workflow

For hospitals and imaging centers, the main benefits are operational and safety-focused:

• Continuous observation when access is limited: The patient is often behind a barrier or inside the bore, so monitoring supports earlier detection of deterioration.
• Improved team coordination: A shared display (or remote viewing) helps radiology and anesthesia teams align during scan start/stop, breath-holds, and patient movement.
• Standardization across high-risk workflows: MRI monitoring can be integrated into transport checklists, sedation pathways, and emergency drills.
• Reduced equipment risk in the magnet room: With correct accessory selection and placement, the system reduces hazards compared with bringing non-MR-rated hospital equipment into the MRI environment.
• Better documentation and traceability: Many systems support trend review and event markers; connectivity and export functions vary by manufacturer and local IT policies.

Beyond these direct benefits, MRI-compatible monitoring can reduce operational friction. For example, if a facility has a dedicated MR-conditional monitoring setup that is always stocked with the correct electrodes, cuffs, and lines, teams spend less time searching for parts or making last-minute substitutions. This can shorten patient “table time,” reduce scan delays, and improve patient throughput—while still prioritizing safety.

H2: When should I use MRI compatible patient monitor (and when should I not)?

Appropriate use cases

Use cases are determined by clinical leadership and facility policy, but common scenarios include:

• Monitoring during MRI when sedation or anesthesia is administered
• Monitoring for patients with unstable physiology or high acuity
• Monitoring when a patient cannot reliably communicate symptoms (for example, certain pediatric or neurologic cases)
• Long or complex scan protocols where prolonged observation is prudent
• MRI workflows where contrast is administered and the facility requires close observation
• Any time local policy requires continuous vitals in the MRI suite

In addition, many facilities escalate monitoring requirements when a patient has a higher risk of airway compromise, hemodynamic instability, or adverse drug reaction. Examples can include patients with known obstructive sleep apnea, significant obesity, complex cardiac history, or those receiving medications with respiratory depressant effects. Some sites also require more comprehensive monitoring during MRI for patients who are mechanically ventilated, have ongoing vasopressor support, or are in the early post-operative period.

From an operations perspective, many sites also use an MRI compatible patient monitor to standardize “MRI-ready” transport and handoff processes between wards, ED, ICU, and radiology.

Situations where it may not be suitable

An MRI compatible patient monitor may be inappropriate or insufficient when:

• The device is not labeled for the specific MRI conditions (field strength, bore type, positioning limits, accessory set) used at your site
• Required parameters are not supported (for example, if capnography is mandated by local protocol but the system is not configured for it)
• The monitor or accessories are damaged, incomplete, or not traceable to the approved MR-conditional configuration
• The layout prevents compliant placement (distance limits, cable routing constraints, or inability to keep the device within specified zones)
• The scan requires equipment that conflicts with safe cable routing or creates unacceptable artifact (assessment is protocol- and manufacturer-dependent)

A practical limitation to consider is that an MRI-compatible monitor is not automatically a “complete solution” for all patients. Some high-acuity cases may require additional MR-conditional equipment (for example, MR-conditional infusion pumps, ventilators, or suction) and an MRI suite that can support those workflows safely. If your patient requires monitoring modalities that are not available in your MR-conditional configuration (or if a parameter is known to be unreliable in your specific scanner environment), you may need an alternative plan that aligns with policy—such as delaying MRI, using a different imaging modality, or conducting the scan with enhanced staffing and contingency measures.

Safety cautions and contraindications (general, non-clinical)

General cautions to treat as non-negotiable in policy and training:

• Never bring MR-unsafe equipment into the MRI scanner room. This includes stands, cylinders, tools, and non-rated components that may look “small” but can still become dangerous projectiles.
• Do not mix accessories across systems unless explicitly approved. An ECG lead set or SpO₂ sensor that “fits” may not be MR-conditional for that configuration.
• Do not rely on default settings. Alarm limits, patient category, and averaging behaviors should be intentionally selected per protocol.
• Do not ignore artifacts. MRI can distort waveforms and numeric values; staff must understand when a reading is likely unreliable.
• Follow the manufacturer’s MR conditions precisely. If conditions are unclear, treat them as “Not publicly stated” until clarified through official documentation.

It is also important to treat “workarounds” as potential safety events. In MRI suites, unsafe substitutions often occur because of urgency (e.g., a missing long NIBP hose or a damaged ECG lead). A robust MRI monitoring program anticipates these common failure points through stocking, labeling, and routine checks—so that staff do not feel pressured to improvise under time constraints.

H2: What do I need before starting?

Required setup and environment

Before initiating monitoring in MRI, ensure the environment and workflow support safe use:

• Confirm your facility’s MRI zoning model and access controls (terminology varies by facility and country)
• Confirm the device’s MR labeling (commonly MR Conditional) and the allowed conditions for your scanner(s)
• Identify where the monitor and any patient module will sit during scanning (including distance limits and any “no-go” zones)
• Plan cable routes to avoid trip hazards, pinch points in doors, and loops that can increase heating risk
• Ensure the team has a defined communication plan (headsets, call system, or line-of-sight), because audible alarms can be harder to hear in MRI

In addition, ensure the MRI workflow supports patient observation beyond the monitor itself. For example, some facilities use in-room cameras, mirrors, or a dedicated observer position in the control room so that monitor data can be correlated with patient movement or distress. It is also useful to confirm where emergency equipment is staged (outside Zone IV) and how the “patient-out-of-bore” plan will be executed if an alarm escalates.

If your site runs multiple MRI scanners (for example, 1.5T and 3T), confirm that the monitor and accessories are approved for each scanner type and that staff know which configuration applies. Some MR-conditional conditions may differ between scanners, and a “one-cart-fits-all” assumption can create compliance gaps.

Accessories and consumables (typical)

Exact requirements vary by manufacturer and configuration, but common accessories include:

• MR-conditional ECG lead wires and MRI-suitable electrodes
• MR-conditional SpO₂ sensor (often with long cable or fiber-optic link)
• NIBP cuff(s) in appropriate sizes and long tubing set
• Capnography sampling line and water trap (if supported/required)
• Temperature probe (if supported/required)
• Mounting hardware: non-magnetic poles, brackets, straps, or dedicated carts
• Power supply and/or battery packs approved for the MRI workflow
• Single-use items (electrodes, sampling lines) aligned with infection control policy

Accessory selection in MRI often has “small details with big consequences.” For ECG, the electrode type and lead design can influence heating risk, artifact levels, and adhesion during long scans. For SpO₂, sensor placement and cable length can affect signal stability, especially when the patient is deep in the bore and subject to motion constraints. For NIBP, long hose assemblies may require careful routing and securement so they do not snag during table movement.

For procurement teams, it is critical to request the complete MR-conditional bill of materials (monitor, modules, cables, sensors, mounts, software options), because missing accessories are a common cause of non-compliant “workarounds.”

Training and competency expectations

Competency typically spans three overlapping domains:

• MRI safety training: hazard awareness, screening, zone control, emergency response (facility-defined level)
• Device operation training: startup, parameter selection, alarm management, artifact recognition, and shutdown
• Workflow training: transport/handoff, sedation/anesthesia coordination (where applicable), and documentation

Training should be role-based (radiographers/technologists, anesthesia teams, nurses, and biomedical engineers), with refreshers and incident-based learning.

Many facilities also benefit from brief, scenario-based simulations that focus on MRI-specific constraints: how to respond when an alarm escalates during a scan, how to safely remove the patient from the bore while managing lines and leads, and how to transition monitoring to non-MR equipment once the patient is in a designated resuscitation area. These drills help teams practice not only the “device steps” but also communication and role clarity under pressure.

Pre-use checks and documentation

A practical pre-use checklist usually includes:

• Confirm the device is within preventive maintenance date and has passed electrical safety testing per policy
• Verify MR-conditional labeling for the specific scanner environment (field strength and conditions)
• Inspect cables for cracks, exposed conductors, damaged insulation, or stressed connectors
• Confirm the correct accessories are available and are the approved MR configuration
• Perform the device self-test and verify battery status (if using battery power)
• Confirm alarms are enabled, audible/visible as needed, and set per protocol
• Document device ID/asset tag, configuration used, and any deviations (if deviations are permitted by policy)

Two additional practical checks are often valuable in MRI workflows: (1) confirm that the device clock/time and patient category are correct (important for trend review and documentation), and (2) confirm that the remote display or secondary screen (if used) is connected and visible from the planned observation position. If your facility integrates monitor data into a central station or record, confirm whether network connectivity is required or intentionally disabled in the MRI area due to cybersecurity controls.

H2: How do I use it correctly (basic operation)?

Basic step-by-step workflow

The exact sequence varies by manufacturer and facility workflow, but a typical process is:

1. Prepare outside the scanner room: Power on the MRI compatible patient monitor, confirm configuration, and select patient category (adult/pediatric/neonate) if applicable.
2. Apply sensors on the patient in a controlled area: Place ECG electrodes, SpO₂ sensor, and NIBP cuff with attention to skin integrity and secure attachment.
3. Route cables deliberately: Keep leads straight, avoid loops, and ensure cables will not be compressed by the table movement or door.
4. Verify signal quality before entering the MRI room: Confirm you have stable numeric values and waveforms as applicable.
5. Position equipment per MR conditions: Place the monitor/patient module only where allowed, and confirm nothing ferromagnetic is attached to the device or cart.
6. Start scanning with active observation: Assign a responsible staff member to watch trends and alarms (locally or on a remote display, per system design).
7. Respond to alarms using a defined escalation pathway: Validate whether the alarm is artifact-related or patient-related, and follow local protocols.
8. Post-scan: Disconnect and remove sensors as appropriate, clean the device, and complete documentation.

Two additional operational steps that many teams find useful are:

9. Re-check cable routing after final positioning and coil placement: Cable routes can change when coils are added, blankets are adjusted, or the patient is moved deeper into the bore. A quick “final look” helps prevent loops and pinch points.
10. Perform a brief “monitoring timeout” before the first sequence: Confirm alarm limits, which staff member is observing, and the plan for pausing sequences if a parameter becomes unreliable.

Setup, calibration (if relevant), and operation tips

Many systems are designed to be “plug-and-play,” but practical setup details matter:

• ECG in MRI can look different. MRI conditions can alter waveform appearance; staff should be trained on what “normal for MRI” may look like for their system.
• NIBP timing matters. Plan cuff cycles around scan sequences if motion is a concern; coordinate with the radiology team.
• Capnography can have delays. Long sampling lines may increase response time; this is workflow-relevant even when clinically acceptable.
• Remote display reduces crowding. Where available, use remote viewing outside the scanner room to reduce foot traffic in high-field areas.

A common ECG-specific issue in MRI is waveform distortion related to the magnetic environment and patient positioning, which can change the apparent morphology compared to standard bedside monitoring. Because of this, some teams prioritize heart rate confirmation through multiple sources (ECG + pleth pulse rate) and focus on trend monitoring rather than nuanced waveform interpretation during scanning. Skin preparation (clean, dry skin; appropriate hair removal per policy; strong electrode adhesion) can significantly reduce lead-off events and nuisance alarms during long studies.

For SpO₂, consider the practical effects of coil placement and patient posture. If the patient’s hands are positioned above the head, finger sensors may be more prone to motion or compression; toe or ear placement may be considered depending on local practice and sensor options. Ensure the sensor cable is secured and does not create a loop on or near the patient’s skin.

Calibration requirements vary by manufacturer. If calibration is required (for example, periodic NIBP calibration checks), it should be performed by trained personnel and documented.

Typical settings and what they generally mean

Common configurable items include:

• Patient type/profile: Adjusts algorithm behavior and default alarm strategies; exact effects vary by manufacturer.
• Alarm limits and delays: Determines when alarms trigger and how they present; should align with facility protocol and patient risk.
• ECG lead selection and filters: Helps manage artifact and improve readability; filter options and naming vary by manufacturer.
• SpO₂ averaging/sensitivity: Trades responsiveness against noise susceptibility; settings are manufacturer-specific.
• NIBP interval and mode: Manual vs. scheduled cycling; interval selection is operationally important in MRI.
• Display layout: Numeric-only vs. waveforms, screen brightness, and remote display mirroring where supported.
• Connectivity and data export: Network integration, central stations, and EMR interfaces vary by manufacturer and local cybersecurity policy.

If your system offers an “MRI mode” or similar workflow preset, understand exactly what it changes. In some products, an MRI-related mode may adjust filtering, alarm presentation, or display behavior to better tolerate artifacts. Even when such modes exist, they do not replace the need for correct cable routing, accessory compliance, and appropriate alarm limit selection.

H2: How do I keep the patient safe?

MRI-specific hazards that monitoring can introduce

Even when a monitor is MR-conditional, monitoring can introduce risks if used incorrectly:

• Projectile risk: Any non-approved accessory or tool can become a projectile in the static magnetic field.
• Thermal injury and burns: Conductive loops, skin-to-skin contact, damp materials, and poorly routed cables can increase heating risk.
• Entanglement and traction: Long leads and tubes can snag during table motion or patient transfer.
• Alarm inaudibility: Scanner noise and room separation can prevent staff from hearing alarms without a defined workflow.
• False reassurance from artifact: Waveforms may look “clean” but still be inaccurate due to MRI-related interference.

Thermal injury deserves particular attention because it can occur even when nothing “moves” and no obvious mechanical hazard is present. Heating risk is influenced by multiple interacting factors: cable geometry (loops, length, contact with the patient), RF energy deposition of the scan protocol, patient size and thermoregulation, and contact pressure points. This is why MRI monitoring safety is not only about buying the right equipment—it is also about consistent technique in how cables are routed and secured.

Practical safety practices and monitoring discipline

Operational practices that reduce risk across most brands and MRI suite designs:

• Use only approved MR accessories for the specific monitor configuration.
• Keep all cables straight, separated, and secured, avoiding loops and contact with the bore where possible.
• Avoid placing cables across the patient in a way that creates pressure points or heat concentration.
• Keep the patient’s skin dry where sensors and cables contact the body, and replace damp materials promptly.
• Use insulating barriers or positioning aids as permitted by local policy to reduce direct contact risks.
• Confirm the monitor’s placement complies with the device’s MR-conditional distance and orientation requirements.
• Establish a clear “who is watching the monitor” role during scanning to avoid diffusion of responsibility.
• Use communication protocols (intercom, headset, predefined signals) so alarm responses are coordinated.

Additional practical habits that improve safety and reliability include: keeping cables away from direct skin contact when possible (use padding that is approved for MRI), avoiding routing leads through tight coil openings where they can be pinched, and ensuring that any tubing (NIBP or capnography) is long enough to reach without being stretched. “Stretched” lines can shift during table motion and create unexpected traction on the patient or sensor site.

Alarm handling and human factors

Alarm management in MRI is as much about human factors as it is about technology:

• Pre-brief before the scan: Confirm which alarms are expected (e.g., motion artifacts) and which require immediate escalation.
• Avoid alarm fatigue: Frequent false alarms can lead to delayed responses; address root causes (sensor placement, cable routing, settings) rather than silencing alarms as a default.
• Document changes: If alarm settings are adjusted for the MRI workflow, record what changed and why, per facility policy.
• Plan staffing: If the patient is high-risk, consider whether a dedicated observer is required rather than a shared responsibility model.

Because MRI noise can mask alarms, many teams rely on visual alarm indicators, remote displays, or integration into a control-room workflow. If your system supports it, ensure that alarm volume and alarm tone patterns are understood by staff, and that alarm delays (where permitted) are set intentionally rather than left at defaults that may not match the MRI environment.

Emergency readiness in the MRI suite

Emergency response in MRI has unique constraints:

• Many resuscitation items and carts used elsewhere are not MR safe; sites often maintain designated MRI-safe emergency equipment.
• Patient access is limited inside the bore; facilities commonly plan to remove the patient from the scanner to a designated safe area before certain interventions (protocols vary).
• Staff should know the pathway for escalation (radiologist, anesthetist, rapid response team) and how to coordinate safe entry/exit from the scanner room.
• Regular drills help teams practice disconnection, patient transfer, and maintaining monitoring continuity during evacuation.

Emergency readiness also includes “what happens after the patient is out.” Many facilities plan a rapid transition from MR-conditional monitoring to standard resuscitation monitoring once the patient is in a safe zone, because interventions like defibrillation and certain airway procedures are often performed outside Zone IV. Clear labeling, quick-disconnect practices, and role assignment (who manages lines, who pushes the bed, who handles the monitor) help reduce delays and confusion in high-stress moments.

Always follow facility MRI emergency procedures and the monitor manufacturer’s guidance for emergency disconnection and shutdown.

H2: How do I interpret the output?

Types of outputs/readings

An MRI compatible patient monitor commonly provides:

• Numeric values (heart rate, SpO₂, NIBP, respiratory rate, temperature)
• Waveforms (ECG, plethysmography, capnography), depending on configuration
• Trends over time and event/alarm logs
• System messages (lead off, poor perfusion, artifact warnings), depending on manufacturer

Some systems also provide contextual indicators such as signal quality bars, perfusion or pulse amplitude metrics, and prompts that guide repositioning of sensors. In the MRI setting, these indicators can be especially useful because they help staff distinguish between “true physiologic change” and “measurement failure.”

How clinicians typically interpret them

In practice, clinicians interpret monitor output by:

• Looking at trends rather than single values, especially when artifacts are likely
• Correlating multiple signals (e.g., pulse rate from SpO₂ vs. ECG-derived rate)
• Checking the patient and the sensor site when readings do not match clinical observation
• Using the monitor as one input alongside clinical assessment and facility protocol

In MRI, correlation becomes even more important because certain signals may degrade temporarily during specific scan sequences. For instance, if the ECG waveform becomes unreadable during a high-gradient sequence, a stable pleth waveform and consistent pulse rate may provide reassurance—while the team simultaneously verifies that oxygenation and ventilation are acceptable per the overall sedation or anesthesia plan.

This is general information and not clinical advice. Clinical interpretation and decision-making should be performed by trained professionals under local governance.

Common pitfalls and limitations in MRI

MRI environments can affect monitoring in predictable ways:

• ECG waveform distortion: MRI-related effects can alter ECG morphology; some arrhythmia detection features may perform differently than in non-MRI areas (varies by manufacturer).
• Pulse oximetry challenges: Motion, low perfusion states, and electromagnetic conditions can reduce signal quality.
• NIBP timing and motion: Cuff inflation can cause movement, and repeated cycling can interrupt scan timing if not coordinated.
• Capnography delay: Longer sampling lines may change response time; condensation management becomes more important.
• Cable and electrode issues masquerading as patient change: Lead-off alarms, intermittent connectors, and poor adhesion can mimic instability.

A practical approach is to treat unexpected changes as a “signal validity check” first: confirm sensor placement, cable routing, and device messages before concluding the change is physiological.

It can also help to anticipate limitations before the scan begins. For example, if a patient is known to have poor peripheral perfusion, the team may plan an SpO₂ site with better perfusion and secure the sensor carefully to reduce motion artifact. Likewise, if the scan protocol is long, extra attention to electrode adhesion and skin integrity can prevent mid-scan lead failures.

H2: What if something goes wrong?

A troubleshooting checklist (quick, practical)

Use a structured approach that prioritizes safety:

• Confirm the patient is safe and attended; do not troubleshoot unattended in MRI.
• Check for obvious hazards: cables looping, pinched leads, damp materials, or devices drifting from approved locations.
• Verify power: battery level, correct power supply use, and secure connections.
• Review system messages: lead off, sensor disconnect, artifact indicators, or module errors.
• Re-seat connectors and re-check electrode/sensor contact.
• Compare signals: does pulse rate from SpO₂ match ECG-derived rate (within expected variability)?
• If values are implausible, pause and validate with alternative methods per facility protocol.

If you need a parameter-specific approach, the following is often effective in practice:

• ECG/HR issues: Check “lead off” indicators, re-adhere electrodes, ensure cables are not looped, and compare HR to pleth pulse rate. If waveform morphology is distorted but the rate is stable, focus on trends and cross-checking rather than waveform details during scanning.
• SpO₂ issues: Reposition the sensor, ensure the site is warm and perfused, reduce motion, and check that the cable is not under tension or compressed by positioning aids.
• NIBP errors: Confirm cuff size and placement, check hose connections, ensure the hose is not kinked, and coordinate cycling with scan sequences to reduce motion.
• Capnography issues: Check the sampling line for kinks, confirm water trap placement (if used), and manage condensation. Recognize that long sampling lines can slow response time and may require workflow adjustment.

When to stop use

Stop use and escalate immediately if any of the following occur:

• Evidence of heating, burning smell, smoke, sparking, or melting insulation
• The device or cart is pulled unexpectedly toward the magnet or becomes difficult to control
• Alarms or readings become unreliable with no clear resolution, especially in high-risk patients
• The device fails self-tests or repeatedly resets
• You cannot maintain the manufacturer’s MR-conditional use conditions

In addition to the above, any patient report of localized heating, pain, or burning under an electrode, sensor, or cable path should be treated seriously. Even mild discomfort can be an early sign of a developing burn risk, and the safest response is typically to stop scanning and reassess positioning and cable routing per protocol.

When to escalate to biomedical engineering or the manufacturer

Escalate when:

• The issue repeats across patients or scan sessions (suggesting device fault or environmental mismatch)
• Accessories are repeatedly failing (possible counterfeit, wear, or wrong configuration)
• You need clarification on MR conditions, permitted placements, or approved parts
• A safety incident or near-miss occurs (follow internal reporting and regulatory requirements as applicable)

A best practice is to quarantine suspected faulty accessories and document lot numbers/part numbers when available to support root-cause analysis.

For systematic issues (for example, repeated ECG artifact in one scanner room but not another), biomedical engineering may also collaborate with MRI physicists or safety officers to review environmental factors, scanning protocols, and cable routing patterns. Capturing screenshots, alarm logs, and the scan context (sequence type, approximate timing) can improve the quality of the investigation.

H2: Infection control and cleaning of MRI compatible patient monitor

Cleaning principles

Infection control for an MRI compatible patient monitor should balance effective decontamination with protection of sensitive electronics and labeling. Always follow the manufacturer’s instructions for use for approved cleaning agents, contact times, and prohibited methods. If information is unclear, treat it as “Not publicly stated” until confirmed in official documentation.

General principles:

• Clean and disinfect between patients according to risk and policy.
• Avoid spraying fluids directly into vents, connectors, or seams.
• Pay extra attention to cable junctions and sensor bodies, which are frequent high-touch areas.

MRI suites can create additional cleaning challenges because accessories may be longer, more complex, and handled across multiple zones (patient prep area, scanner room, control room). This increases the importance of clear separation between “clean storage” and “used equipment” staging. Some sites use dedicated bins or labeled hooks for clean vs. soiled cables to reduce cross-contamination risk.

Disinfection vs. sterilization (general)

• Cleaning removes visible soil and reduces bioburden; it is usually the first step.
• Disinfection uses chemicals to reduce microbial load; typical for monitor surfaces.
• Sterilization is a higher-level process intended to eliminate all microorganisms; it is not typically used for the main monitor unit and may be inappropriate for electronics unless the manufacturer specifies a validated method.

High-touch points to prioritize

Common high-touch points include:

• Touchscreen/buttons and bezel
• Handle/grips and mounting points
• Cable connectors, strain reliefs, and splitter boxes
• NIBP cuffs (if reusable), tubing junctions
• SpO₂ sensor exterior surfaces
• Any remote controls or remote displays used by staff

Where barrier covers are used (for example, to protect a display or reduce contamination during high-risk cases), ensure they do not interfere with heat dissipation, ports, or controls, and confirm they are permitted by local infection prevention and device guidance. Improvised coverings can trap moisture or obscure labels and should be evaluated carefully.

Example cleaning workflow (non-brand-specific)

1. Power down per manufacturer guidance and disconnect from mains if required by policy.
2. Don gloves and follow local PPE and spill protocols.
3. Remove and discard single-use items (electrodes, sampling lines) appropriately.
4. Wipe visibly soiled areas with an approved detergent wipe.
5. Disinfect all high-touch surfaces using an approved disinfectant wipe, observing contact time.
6. Clean and disinfect cables by wiping from device end to patient end, avoiding fluid ingress into connectors.
7. Allow to dry fully before storage or next patient use.
8. Document cleaning completion and report any damage found (cracked housings, worn insulation).

If your facility uses aggressive disinfectants for specific isolation cases, it is worth monitoring the long-term effects on plastics, labels, and cable insulation. Label degradation is not only a cosmetic issue in MRI; it can remove MR-conditional markings or part identification needed to maintain configuration control.

H2: Medical Device Companies & OEMs

Manufacturer vs. OEM (and why it matters)

In patient monitoring, the “manufacturer” is typically the branded company that holds regulatory responsibility for the finished medical device, labeling, and post-market surveillance. An OEM (Original Equipment Manufacturer) may supply internal modules, sensors, algorithms, or subassemblies that the branded manufacturer integrates into a final product. In practice, OEM relationships can influence performance, consumable availability, software updates, and service pathways.

For hospital administrators and biomedical engineers, OEM arrangements matter because:

• Replacement parts and accessories may be tightly controlled to maintain MR-conditional compliance.
• Service procedures and software tools may be restricted to authorized channels.
• Long-term support depends on both the branded manufacturer and the upstream suppliers in the chain.
• Compatibility claims must be evaluated at the system level (monitor + accessories + MRI conditions), not just at a single component level.

From a governance perspective, this also affects how facilities manage change control. A software update, a revised sensor model, or a “minor” cable revision can alter performance in an MRI environment. Many organizations treat MRI monitoring configurations as controlled assets: documented accessory lists, approved cleaning agents, and defined acceptance tests after repairs or updates. This approach reduces the risk that a well-intended substitution (such as a “similar” SpO₂ sensor) undermines MR-conditional compliance.

Top 5 World Best Medical Device Companies / Manufacturers

The following are example industry leaders (not a ranking). Availability of an MRI compatible patient monitor portfolio varies by manufacturer, region, and regulatory approvals.

Philips

Philips is widely recognized for hospital patient monitoring and imaging technologies, with a presence in many acute care settings globally. Its monitoring ecosystems often emphasize alarm management, transport workflows, and centralized surveillance, though features and naming vary by product line and country. In MRI contexts, buyers typically look at how MR-conditional configurations integrate with broader monitoring infrastructure and service support. Global footprint and support models vary by region and distributor arrangements.

In procurement discussions, teams may also evaluate how well the MRI monitoring solution aligns with existing Philips monitoring fleets (if present), including standardization of consumables, shared user interface concepts, and interoperability where permitted. As with any manufacturer, the practical differentiator in MRI is often the clarity of the MR conditions and the completeness of the approved accessory ecosystem.

GE HealthCare

GE HealthCare is a major global provider of medical equipment spanning diagnostic imaging, patient monitoring, and digital solutions. Procurement teams often evaluate GE HealthCare products for interoperability within mixed-vendor hospital environments and for service coverage, particularly in large health systems. For MRI suite monitoring, the practical differentiators are MR-conditional labeling specifics, accessory ecosystems, and local service readiness. Exact offerings and approvals vary by manufacturer and market.

Facilities with established GE imaging infrastructure sometimes consider the advantages of coordinated service relationships and standardized training pathways. However, MRI monitoring decisions still require device-specific evaluation of artifacts, cable management, and placement allowances rather than assumptions based on imaging vendor alignment.

Dräger

Dräger is known internationally for critical care equipment, including anesthesia workstations, ventilation, and patient monitoring. Many facilities consider Dräger when seeking integrated workflows between anesthesia delivery and physiologic monitoring, especially in perioperative environments. In MRI use cases, attention typically focuses on MR-conditional configurations, cable management accessories, and how alarms and trends are displayed in remote viewing setups. Regional availability and product configurations vary.

In some settings, the MRI monitoring decision is linked to anesthesia workflow design: where the patient is induced, how ventilation is managed, and how monitoring transitions between induction area, MRI scan, and recovery. For such workflows, consistency in alarm behavior and trend review can be as important as the core measurement functions.

Mindray

Mindray is a large global supplier of patient monitoring, imaging, and in-vitro diagnostics, with significant presence in many emerging and mature healthcare markets. Buyers often assess Mindray for value-focused procurement, breadth of monitoring modules, and local distributor support. For MRI-related applications, the key questions are the exact MR-conditional conditions, accessory approvals, and service capabilities in the MRI suite. Product line availability and regulatory status vary by country.

When evaluating any vendor in MRI, it can be useful to ask not only “does it have MR-conditional labeling?” but also “how does it perform in our specific workflow?” That includes remote viewing needs, cable length management, ease of cleaning, and the availability of approved consumables in your local market.

Nihon Kohden

Nihon Kohden is recognized for patient monitoring and clinical measurement technologies, with strong presence in parts of Asia and established international distribution. Hospitals often evaluate its monitors for reliability, waveform quality, and integration options, depending on the model and local approvals. For MRI suite monitoring, the same MR-conditional due diligence applies: approved configurations, accessories, placement limits, and validated cleaning methods. Availability and support vary by region and distributor.

Across manufacturers, a practical procurement step is to request evidence of the exact MR-conditional configuration (monitor model, modules, cables, sensors, and any required mounting hardware) and confirm that local service teams are trained on that configuration—not only on general patient monitoring.

H2: Vendors, Suppliers, and Distributors

Role differences: vendor vs. supplier vs. distributor

In healthcare procurement, these terms are sometimes used interchangeably, but they can mean different things operationally:

• A vendor is the party selling to your organization (often the contracted entity on the purchase order).
• A supplier is the organization providing goods or services (which may be the manufacturer, an OEM, or an intermediary).
• A distributor typically holds inventory, manages logistics, and may provide local regulatory support, installation coordination, and first-line service triage.

For MRI compatible patient monitor procurement, authorized distribution is especially important because MR-conditional compliance depends on the exact accessory set, correct documentation, and traceable parts.

From a contract perspective, it is useful to clarify who is responsible for: delivery and installation coordination, acceptance testing support, user training (initial and refresher), warranty handling, spare parts availability, loaner units, and response times for service calls. In MRI environments, downtime can be particularly disruptive because MRI schedules are tightly booked and cancellations cascade into longer waiting lists.

Top 5 World Best Vendors / Suppliers / Distributors

The following are example global distributors (not a ranking). Their portfolios differ by country, and they may or may not carry MRI compatible patient monitor systems directly in every market.

McKesson

McKesson is widely known as a large healthcare distribution and services organization, particularly in North America. For hospitals, large distributors can simplify purchasing, invoicing, and standardized replenishment workflows for consumables that support monitoring operations. Capital equipment pathways often involve manufacturer-authorized channels even when a large vendor is involved. Service offerings and geographic reach vary by business unit and country.

For MRI monitoring programs, large distributors may be especially relevant for maintaining steady supply of approved consumables (electrodes, cuffs, sampling lines) and reducing the risk of out-of-stock situations that lead to unsafe substitutions.

Cardinal Health

Cardinal Health is a major distributor and services provider across medical products and supply chain solutions in several markets. Health systems often work with large distributors to support standardization, contract compliance, and logistics at scale. For MRI monitoring programs, distributors may support accessory supply continuity, returns, and contract administration, while technical service is typically coordinated with authorized service providers. Availability outside core markets varies.

In some procurement models, distributors also support product utilization reviews, helping facilities understand consumable burn rates and plan inventory levels for high-throughput MRI suites.

Medline Industries

Medline is a global supplier and distributor of a broad range of hospital supplies and selected equipment categories. Many hospitals engage Medline for consistent access to clinical consumables and operational support in infection prevention and supply chain optimization. For MRI monitoring workflows, Medline may be relevant for compatible disposables (where approved) and ancillary supplies rather than the monitor itself, depending on the country. Portfolio and support differ by region.

In MRI environments, infection prevention considerations are tightly linked to equipment longevity; access to compatible cleaning supplies and barrier products (as permitted) can indirectly support device uptime.

Henry Schein

Henry Schein is well known in healthcare distribution, particularly in dental and office-based care, with broader medical distribution activities in some markets. Buyers may interact with Henry Schein for procurement efficiency, bundled purchasing, and access to multiple brands through a single channel. For hospital-grade MRI monitoring, involvement depends on local offerings, authorization status, and service partnerships. Reach and category depth vary by country.

Where such distributors are involved, hospitals often confirm whether the distributor can provide manufacturer-authorized accessories and documentation, not just physically compatible parts.

DKSH

DKSH is a market expansion and distribution services company with a strong presence in parts of Asia and other regions. In many emerging markets, such organizations play a key role in importation, regulatory support, warehousing, and local service coordination for medical equipment. For MRI suite monitoring, buyers often evaluate the distributor’s ability to provide trained application support, spare parts logistics, and credible service escalation routes. Coverage and brand authorizations vary by country.

For MRI monitoring, application support is often as critical as the device itself. The best outcomes typically occur when distributors can provide on-site setup guidance, role-based training, and structured follow-up after initial installation.

H2: Global Market Snapshot by Country

India

Demand for MRI compatible patient monitor solutions in India is driven by growth in private hospital networks, diagnostic imaging centers, and expanding critical care capabilities in major cities. Many facilities rely on imports for MRI suite monitoring equipment and accessories, making lead times and currency volatility relevant procurement risks. Service quality is often strongest in metro areas, while rural access may depend on regional distributors and biomedical staffing.

Large hospital groups may focus on standardization across multiple sites, which increases the importance of consistent accessory availability and uniform training materials. Facilities also often weigh the trade-off between high-end features and the practical realities of service response times and parts logistics.

China

China’s market is influenced by large-scale hospital investment, a high volume of imaging procedures, and an increasingly sophisticated domestic medical device ecosystem. Import dependence varies by segment, with some categories supported by local manufacturing while premium configurations may still be imported. Service coverage is typically stronger in higher-tier cities, and procurement processes may emphasize local compliance documentation and lifecycle support.

High procedure volumes can put pressure on consumable supply and preventive maintenance scheduling, making distributor logistics and service staffing a visible differentiator in day-to-day operations.

United States

In the United States, MRI compatible patient monitor demand is supported by high MRI utilization, stringent safety expectations, and mature anesthesia and critical care workflows in imaging environments. Buyers commonly focus on MR-conditional labeling clarity, integration with enterprise monitoring or documentation systems (where permitted), and robust service contracts. Access is generally strong across urban and many non-urban regions, though small facilities may use shared-service models.

Many institutions also emphasize formal MRI safety governance (including MR safety officers and defined zoning protocols), which can drive more structured competency and documentation requirements for MRI monitoring programs.

Indonesia

Indonesia’s demand is concentrated in larger private hospitals and urban diagnostic centers, with procurement often shaped by import logistics and distributor capabilities. Service ecosystems are typically strongest in major islands and metropolitan areas, while remote regions face challenges with maintenance response times and parts availability. Hospitals may prioritize durable configurations, clear training programs, and dependable accessory supply chains.

In multi-island geographies, having predictable consumable replenishment and access to loaner units can significantly improve uptime for MRI services.

Pakistan

Pakistan’s market is largely urban-centered, with MRI monitoring needs growing alongside private hospital expansion and diagnostic imaging capacity. Many sites depend on imported medical equipment, making authorized distribution, documentation, and after-sales service key decision factors. Biomedical engineering capacity varies across facilities, affecting preventive maintenance consistency and uptime in MRI suites.

Facilities often evaluate not only purchase price but also the availability of trained local application specialists who can help sustain safe use over time.

Nigeria

Nigeria’s demand is driven by tertiary centers and private hospitals in major cities, where MRI services are expanding but remain unevenly distributed. Import dependence is high, and consistent access to trained service personnel and genuine accessories can be a limiting factor. Power stability, infrastructure constraints, and geographic distance between service hubs and facilities can influence monitor selection and support models.

In such contexts, battery performance, durable cable design, and clear preventive maintenance planning can become more important than optional features.

Brazil

Brazil has a mixed public-private healthcare landscape, with MRI monitoring needs shaped by procurement complexity in public systems and performance expectations in private networks. Many high-end systems and accessories are imported, though local distribution and service networks are well developed in major regions. Urban centers typically have better access to trained engineers and rapid parts logistics than rural areas.

Large private networks may seek enterprise-level standardization, including shared training programs and centralized inventory management for approved accessories.

Bangladesh

Bangladesh’s demand is growing with expansion of diagnostic and tertiary care services, particularly in large cities. Import reliance is common for advanced monitoring configurations, and buyers often prioritize affordability alongside reliable service commitments. The depth of the local service ecosystem can vary, so training, spare parts planning, and clear warranty terms are important.

Facilities may also benefit from simplified, robust configurations that reduce reliance on hard-to-source accessories while still meeting safety requirements.

Russia

Russia’s market is influenced by public procurement structures, localization policies, and changing import conditions that can affect device availability and long-term parts supply. Facilities may prioritize serviceability, availability of consumables, and clarity on approved MR-conditional configurations across installed MRI platforms. Access tends to be stronger in major cities, with more limited support in remote regions.

Planning for multi-year consumable needs and ensuring substitute parts are officially approved (not just physically compatible) can be particularly important where supply chains are uncertain.

Mexico

Mexico’s demand is supported by a significant private hospital sector and large public providers, with MRI services concentrated in urban areas. Importation remains important for many monitoring systems, and buyers often assess distributor capability, service coverage, and training quality as key differentiators. Regional disparities can affect maintenance turnaround times and accessory availability outside major cities.

Hospitals may place strong emphasis on service coverage across multiple states if they operate multi-site networks.

Ethiopia

Ethiopia’s MRI capacity is limited relative to population needs, making MRI compatible patient monitor adoption most visible in flagship hospitals and capital-area facilities. Import dependence is high, and procurement may be influenced by donor funding, centralized purchasing, and constrained service infrastructure. Maintenance capability and spare parts planning are critical for uptime where specialized biomedical expertise is scarce.

In settings with constrained service infrastructure, selecting equipment with clear, durable accessory systems and straightforward user workflows can improve sustainability.

Japan

Japan is a mature imaging market with advanced hospital infrastructure and strong expectations around device performance, quality systems, and service response. Buyers typically emphasize reliability, validated cleaning methods, and precise MR-conditional documentation aligned to the local regulatory environment. Access is generally strong in both urban and many regional areas, supported by established service networks.

Hospitals may also prioritize highly standardized processes and consistent documentation for audits and quality management, influencing how MRI monitoring systems are evaluated and maintained.

Philippines

In the Philippines, demand is concentrated in private hospital groups and major urban diagnostic centers, with variable access across islands. Import dependence is common, and the distribution partner’s ability to provide training, preventive maintenance, and timely parts delivery can strongly influence outcomes. Urban areas typically have better service coverage than remote regions.

Geographic variability can make it valuable to have clear escalation routes, remote support options, and planned inventories of critical accessories.

Egypt

Egypt’s market is shaped by a large public sector alongside growing private investment in tertiary care and imaging. Imported medical equipment plays a major role, and procurement may be sensitive to currency shifts and lead times. Service ecosystems are strongest in large metropolitan areas, while facilities outside major cities may face slower support and limited accessory availability.

Facilities often focus on securing stable consumable supply and structured training, particularly where staffing turnover can affect competency continuity.

Democratic Republic of the Congo

In the Democratic Republic of the Congo, MRI services are limited and mainly concentrated in major urban centers, constraining the overall installed base for MRI compatible patient monitor systems. Import dependence and logistics complexity can affect acquisition timelines and long-term serviceability. Facilities may need to plan carefully for training, spare parts, and stable operational infrastructure to support uptime.

For smaller installed bases, pooling service resources and negotiating clear support commitments can help reduce prolonged downtime.

Vietnam

Vietnam’s demand is rising with expanding private healthcare groups and modernization of public hospitals, particularly in large cities. Many MRI monitoring systems and accessories are imported, increasing the importance of authorized distribution, documentation, and predictable lead times. Service coverage is improving in urban centers, while rural areas may still face maintenance access challenges.

Hospitals may prioritize distributor training capability and local spare parts availability to sustain consistent MRI operations.

Iran

Iran’s market is shaped by a mix of local technical capability and constraints affecting imports, which can influence availability of specific brands and spare parts. Facilities may rely on local service networks and engineering adaptation, making documentation, training, and validated configurations especially important for MRI safety. Access and equipment availability can vary significantly between major cities and smaller regions.

In such markets, risk management often includes careful tracking of accessory provenance and proactive planning for parts replacement cycles.

Turkey

Turkey has a substantial private hospital sector and a strong base of clinical services in major cities, supporting demand for MRI suite monitoring. Importation remains important for many advanced systems, but distribution and service ecosystems are relatively well developed in urban areas. Buyers often prioritize lifecycle service, training, and accessory continuity to maintain MR-conditional compliance.

Multi-site hospital groups may seek unified protocols and shared competency programs to keep MRI monitoring practices consistent across locations.

Germany

Germany is a mature European market with established MRI infrastructure, structured procurement processes, and strong expectations for standards compliance and documentation. Hospitals typically evaluate MRI compatible patient monitor options based on lifecycle cost, validated cleaning protocols, and service responsiveness. Access to trained biomedical engineering support is generally strong, though procurement may be highly standardized across hospital groups.

Facilities may also emphasize sustainability and long-term serviceability, including availability of approved consumables over the expected device lifetime.

Thailand

Thailand’s demand is supported by a strong private healthcare sector, medical tourism in major cities, and ongoing investment in diagnostic services. Imported equipment and accessories play a major role, making distributor capability and after-sales service a key differentiator. Urban centers typically have better access to trained service personnel than provincial areas, influencing uptime and accessory logistics.

Hospitals serving high patient volumes may also prioritize fast turnaround on repairs and strong training programs to reduce user-related downtime.

H2: Key Takeaways and Practical Checklist for MRI compatible patient monitor

• Confirm the MRI compatible patient monitor is labeled MR Conditional for your scanner conditions.
• Treat the monitor plus accessories as one approved system, not mix-and-match components.
• Verify field strength compatibility and any placement distance limits before every new setup.
• Use MRI zone controls to prevent MR-unsafe hospital equipment entering the scanner room.
• Plan cable routes early to avoid door pinch points and trip hazards.
• Keep leads straight and avoid loops to reduce heating risk.
• Prevent skin-to-skin contact points that can increase burn risk during scanning.
• Keep the patient dry where sensors and cables contact the skin.
• Use only the electrode and lead types approved for MRI use by the manufacturer.
• Confirm stable signals before the patient enters the scanner room.
• Assign a dedicated observer for high-risk cases to reduce missed alarms.
• Ensure alarm volumes and remote displays are adequate for MRI noise conditions.
• Document any alarm limit changes according to facility policy.
• Coordinate NIBP cycling with scan sequences to reduce motion disruption.
• Expect MRI-related ECG distortion and train staff on artifact recognition.
• Cross-check heart rate using more than one signal when readings look inconsistent.
• Treat implausible values as “signal validity” problems until proven otherwise.
• Keep connectors clean, dry, and strain-relieved to prevent intermittent faults.
• Confirm battery readiness if mains power use is restricted by workflow.
• Include MRI monitoring steps in transport and handoff checklists.
• Maintain an accessory inventory plan to prevent last-minute unsafe substitutions.
• Use preventive maintenance schedules that reflect high-use MRI workflows.
• Train staff on emergency disconnection and patient evacuation procedures.
• Store the device and accessories to prevent cable kinks and insulation damage.
• Clean and disinfect high-touch points between patients using approved agents only.
• Avoid spraying liquids directly into vents, seams, or electrical connectors.
• Quarantine damaged leads and document part numbers and lot numbers when available.
• Escalate recurring artifacts to biomedical engineering for systematic investigation.
• Confirm distributor authorization and service capability before signing contracts.
• Request the complete MR-conditional bill of materials during procurement.
• Evaluate total cost of ownership, including consumables and service, not just purchase price.
• Standardize training materials across radiology, anesthesia, nursing, and biomed teams.
• Run periodic MRI safety drills that include monitoring equipment management.
• Track incidents and near-misses to improve MRI suite monitoring governance.
• Review cleaning compatibility regularly to prevent surface degradation and label loss.
• Keep written, local procedures available in the MRI control room for quick reference.
• Validate any software updates against MR-conditional documentation and change control.
• Use clear labeling on carts and accessories to prevent cross-department swaps.
• Ensure procurement specifications include alarm behavior, remote viewing, and service response times.
• Build a spare-parts and backup-monitor plan for continuity during repairs and audits.
• Confirm the “patient-out-of-bore” emergency plan is compatible with how monitoring leads, tubes, and sensors are connected.
• Keep a defined “no substitution” list for critical MR accessories (ECG leads, SpO₂ sensors, extension cables) to prevent non-compliant replacements.
• After any repair or accessory change, perform a brief functional check in the intended MRI environment (per policy) to confirm signal stability and acceptable artifact.

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