Improved MRI Guidelines - Cardion

MRI Guidelines for VNS therapy MRI can be safely performed on patients with VNS therapy provided that specified Guidelines are ZoneMR Exclusion ZoneNote: imaging techniques such as x-ray, computed tomography, and ultrasound are safe to perform in the MR exclusion Improved MRI GuidelinesEFFECTIVE. therapy SystemThe VNS therapy system (generator and lead), usually located between C7 and T8 vertebrae, must not be exposed to the radio frequency (RF) MRI conditions2 Complete VNS therapy system ORSuspected lead break ORLead only >2 cm remainingAllowable imaging zonesSee graphic on front coverFull bodyRF coil typeHead or local ONLYAnyRF coil modeTransmit/receive ONLYAnyStatic magnetic field3T or or configurationClosed-boreClosed-boreMRI operating modeNormalNormalSpatial gradient field 720 gauss/cm 720 gauss/cmHead-averaged SAR W/kg W/kg*Equivalent to clipping the lead at the anchor MRI is safe when the Guidelines below are followedLead only 2 cm remaining*Pre- and Post-MRI instructions3 Pre-MRI instructionsAn appropriate healthcare professional with access to a VNS therapy programming system must prepare the VNS therapy generator before the patient enters an MR system room.

MRI Guidelines for VNS Therapy ¨ MRI can be safely performed on patients with VNS Therapy provided that speciÞed guidelines are followed. Safe Zone

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  Guidelines, Therapy, Mri guidelines, Vns therapy

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