Mechanism of pacemaker

1.	Mechanism of pacemaker
Answer» The cells that create these rhythmic impulses, SETTING the PACE for blood pumping, are called pacemaker cells, and they DIRECTLY control the heart rate. ... In most humans, the concentration of pacemaker cells in the sinoatrial (SA) node is the natural pacemaker, and the resultant rhythm is a sinus rhythm. This is a common misunderstand- ing. A pacemaker does not ACTUALLY BEAT for the heart, but delivers en- ergy to stimulate the heart muscle to beat. Once someone stops breathing, his body can no longer get oxygen and the heart muscle will die and stop beating, even with a pacemaker. thnx hope dis hlps uh

Answer»

The cells that create these rhythmic impulses, SETTING the PACE for blood pumping, are called pacemaker cells, and they DIRECTLY control the heart rate. ... In most humans, the concentration of pacemaker cells in the sinoatrial (SA) node is the natural pacemaker, and the resultant rhythm is a sinus rhythm.

This is a common misunderstand- ing. A pacemaker does not ACTUALLY BEAT for the heart, but delivers en- ergy to stimulate the heart muscle to beat. Once someone stops breathing, his body can no longer get oxygen and the heart muscle will die and stop beating, even with a pacemaker.

thnx hope dis hlps uh

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