An implanted pacemaker is a small device that is implanted under the skin and sends electrical signals to start or regulate a slow heartbeat. An implanted pacemaker may be used to stimulate the heartbeat if the heart's natural pacemaker (the sinoatrial, or SA, node) is not functioning properly, has developed an abnormally slow heart rate or rhythm, or if the electrical pathways are blocked. If you would like to learn more about Pacemakers please click here.
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