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Medtronic Cardiac Diagnostics & Monitoring – For Healthcare Professionals
Cardiac Diagnostics & Monitoring

For Healthcare Professionals

Reveal LINQ ICM Banner

Reveal LINQ™ MRI Conditions for Use

A patient with a Reveal LINQ device can be safely scanned in an MR system that meets the following conditions with no post-insertion waiting required. Failure to follow these conditions for use may result in a hazard to the patient during an MRI scan:

  • Horizontal cylindrical bore magnet, clinical MRI systems with a static magnetic field of 1.5 Tesla (T) or 3.0 T must be used.
  • Hydrogen proton MRI equipment must be used.
  • Maximum spatial gradient of the static magnetic field specification must be ≤25 T/m (2500 gauss/ cm).
  • Whole body gradient systems with gradient slew rate specification must be ≤200 T/m/s per axis.
  • The Whole Body Specific Absorption Rate (WB-SAR) as reported by the MRI equipment must be ≤4.0 W/kg; the head SAR as reported by the MRI equipment must be ≤3.2 W/kg.
  • Do not use local transmit coils on the chest, trunk, or shoulder region.
  • There are no restrictions on the placement of receive-only coils, and there are no restrictions on the use of local transmit or receive coils for imaging of the head or extremities.

Reveal LINQ ICM MRI Technical Manual  


Reveal XT MRI Page Banner

Reveal™ XT MRI Conditions for Use

The Reveal XT Insertable Cardiac Monitor (ICM) can be safely scanned in patients under the following conditions:

  • Patients must wait 6 weeks post-insertion before having an MRI scan.
  • Closed bore, cylindrical magnet with static magnetic field must be 1.5 T or 3.0 T.
  • Whole body gradient systems with gradient slew rate specification must be ≤200 T/m/s.
  • Whole body Specific Absorption Rate (SAR) as reported by the MRI equipment must be ≤2.0 W/kg; head SAR as reported by the MRI equipment must be ≤3.2 W/kg.
  • The uninterrupted duration of active scanning (when radio frequency (RF) and gradients are on) over the chest during MRI must not exceed 30 min.
  • If additional chest scans beyond 30 min are necessary, a waiting period of at least 10 min is required.

NOTE: To assure Reveal XT data is preserved, we recommend an in-office interrogation of the device using the 2090 programmer before completing the MRI. However, it is not necessary to delay the procedure if the interrogation was not performed.

Reveal XT/DX ICM MRI Checklist  


Reveal™ DX MRI Conditions For Use

The Reveal DX Insertable Cardiac Monitor (ICM) can be safely scanned in patients under the following conditions:

  • Patients must wait 6 weeks post-insertion before having an MRI scan.
  • Closed bore, cylindrical magnet with static magnetic field must be 1.5 T or 3.0 T.
  • Whole body gradient systems with gradient slew rate specification must be ≤200 T/m/s
  • Whole body Specific Absorption Rate (SAR) as reported by the MRI equipment must be ≤2.0 W/kg; head SAR as reported by the MRI equipment must be ≤3.2 W/kg.
  • The uninterrupted duration of active scanning (when radio frequency (RF) and gradients are on) over the chest during MRI must not exceed 30 min.
  • If additional chest scans beyond 30 min are necessary, a waiting period of at least 10 min is required.

NOTE: To assure Reveal DX data is preserved, we recommend an in-office interrogation of the device using the 2090 programmer before completing the MRI. However, it is not necessary to delay the procedure if the interrogation was not performed.

Reveal XT/DX ICM MRI Checklist