Power drills have not been shown to interfere with pacemakers.
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.
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.
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