The body's natural pacemaker, the sinoatrial (SA) node, is not working properly—this can cause the heart to beat too slowly
There are malfunctions in the atrioventricular (AV) node, which is the part of the heart’s electrical system that sends signals from the SA node to the ventricles—this leads to a slow heartbeat
Heart performance in people with severe symptoms of
and a weakened heart muscle, known as
cardiomyopathy, needs to be improved—his is called biventricular pacing, or cardiac resynchronization therapy
You will lie flat on a table. A small cut will be made beneath the collarbone. The pacemaker is placed through the cut. The wires (called leads) will be threaded through a vein from the collarbone to the heart. Lastly, the cut will be stitched closed.
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