Relatively weak magnets in consumer products have always posed some risk, usually very low, to the function of pacemakers and implantable cardioverter-defibrillators (ICDs). However, stronger ...

Magnetic resonance imaging (MRI ... and in which the benefits clearly outweigh the risks. MRI examination of pacemaker-dependent patients should not be performed unless there are highly compelling ...

"Under certain conditions, magnets and electromagnetic fields might interfere with medical devices," Apple wrote. For example, it noted, "implanted pacemakers and defibrillators might contain ...