|  | Public Health Safety | Public Health

Magnetism and Pacemaker Interaction

A pacemaker is a device that is implanted in a person or applied externally to regulate heart function. The electromagnetism generated by some devices has been shown to interfere with the proper functioning of pacemakers.

  1. Small Appliances

    • Many small appliances emit mild electromagnetic signals. Appliances that produce electromagnetism include power drills, televisions, remote controls, electric razors, microwave ovens and CB radios. These do not appear to seriously impact pacemaker function.

    Cellphones

    • Cellular telephone frequencies sometimes interfere with pacemakers. The American Heart Association recommends that a patient keep cell phones at least 6 inches away from his pacemaker. The Federal Communications Commission is currently experimenting with new cellular phone frequencies; cellphone companies are studying whether or not these will impede pacemaker function.

    Heavy Machinery

    • The electromagnetic noise generated by some heavy equipment and motors can interfere with pacemakers. A person with a pacemaker who works around heavy machinery should be aware of possible risks to his health.

    MRIs

    • Magnetic resonance imaging (MRI), which is a diagnostic tool used in hospitals, creates strong magnetic fields. MRIs have been shown to impede the function of pacemakers.

    Airport Screening

    • Walk-through metal detectors in airports and other facilities generally do not affect newer pacemakers. Older pacemakers may miss a beat or two but this does not usually affect the person. Conversely, hand-held metal detectors can inhibit the proper functioning of pacemakers. Metal-detecting wands should not be used on or around people with pacemakers.

Public Health - Related Articles