Sunday, July 22, 2012

What is the heart's electrical system?

Heart Inside
The heart is divided into four chambers with two chambers on the right and two chambers on the left side. On each side, there are a chamber (atrium) and ventricle (ventricle) that work together to pump blood out into circulation. Chambers on the right-side pump's blood into the pulmonary circulation and the chambers on the left-side pump's blood out into the wide circulation via the aorta (the aorta).

In connection with a single heartbeat does the two chambers on the same page as two pumps. First pull the smaller atria contract and fill the relaxed ventricles with blood. Immediately, after drawing the powerful ventricles contract and push blood out of the cycles while the flaps are closed to the atria, and they fill with blood again. Effective circulation requires a rhythmic coordination of the atria and ventricles to maximize water output.
heart electrical system ekg

In addition, it requires good control of the pulse, i.e., heartbeat rate, which is normally 60-100 beats per minute when the body is at rest. The coordination of these two mechanisms is performed through the heart's electrical system. This system acts as a three-stage system.

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