Artificial cardiac pacemaker
MEDICAL DEVICE THAT USES ELECTRICAL IMPULSES TO REGULATE THE BEATING OF THE HEART
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A cardiac pacemaker (or artificial pacemaker, so as not to be confused with the natural pacemaker of the heart) is a medical device that generates electrical impulses delivered by electrodes to cause the heart muscle chambers (the upper, or atria and/or the lower, or ventricles) to contract and therefore pump blood. By doing so, this device replaces and/or regulates the function of the electrical conduction system of the heart.