Dr. Jeremy Ruskin answers the question: 'How Does A Pacemaker Work?' — -- Question: What is a pacemaker and how does it work? Answer :Pacemakers are electronic devices that are designed to ...
Defibrillators use electrical shocks to restore a normal heart rate, especially in cases of life threatening arrhythmias or sudden cardiac arrest, while pacemakers use low-energy electrical pulses to ...
In the normal heart, the lower chambers (ventricles) pump at the same time and in sync with the heart's upper chambers (atria). Cardiac resynchronization therapy (CRT), also called biventricular ...
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