A 40-year-old member asked:
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does a pacemaker use electromagnetic waves?

2 doctor answers
Dr. Mark Stern
45 years experience Cardiology
It uses electricity: It uses electricity from a battery.
Answered on Nov 21, 2011
Dr. Calvin Weisberger
50 years experience Cardiology
Pacemaker: A pacemaker has a sensing and pacing function. The sensing is like a radio receiver to read the electrical activity of the heart. When the heart is too slow the pacemaker delivers electrical stimulation to heart muscle through the lead(s) which also act as an antenna for the sensing function.
Answered on Jul 21, 2013

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