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Albert Hyman
Cardiac Pacemaker
An artificial pacemaker (PM) is an electronic device implanted in the body to regulate the heart beat. It consists of a battery and electronic circuits enclosed in a hermetically sealed can. A PM treats abnormal heart rhythms called Cardiac dysrhythmia or arrhythmias, specifically slow arrhythmias called bradycardia. The PM delivers electrical stimuli over leads with electrodes in contact with the heart.