Implantable cardioverter defibrillator can be deactivated and activated with magnet
– Patients with defibrillators should be kept away from strong magnets
• Will prevent accidental deactivation or reactivation of device
• Ability to use magnet to deactivate and reactivate many of these devices can be useful when unit is not working properly
• Use of handheld magnet to turn unit off or back on should be considered only with advice and under direction of physician