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The pacemaker of the heart 1. Found in the interventricular septum 3. Network found in the ventricular myocardium 4. The point in the conduction system of the heart where the impulse is temporarily delayed right atrium Conduction System Tutorial. The sinoatrial node is located in the upper part of the right atrium in the healthy heart, and serves as the natural pacemaker
What is pacemaker ?
A pacemaker is a tiny device that is implanted in the chest to assist in heartbeat regulation. It serves as a safeguard against the heart beating too slowly. The placement of a pacemaker in the chest necessitates surgery.
Another name for a pacemaker is a cardiac pacing device. Pacemakers only function when necessary. The pacemaker gives electrical instructions to your heart to adjust the beat if it beats too slowly (bradycardia).
A few more recent pacemakers also feature sensors that notice changes in breathing or body movements and alert the devices when it is necessary to raise heart rate during exercise.
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