Electrical conduction system of the heart

Principle of ECG formation. Note that the red lines represent the depolarization wave, not bloodflow.

Overview of the system of electrical conduction which maintains the rhythmical contraction of the heart

The normal electrical conduction in the heart allows the impulse that is generated by the sinoatrial node (SA node) of the heart to be propagated to, and stimulate, the cardiac muscle (myocardium). The myocardium contracts after stimulation. It is the ordered, rhythmic stimulation of the myocardium during the cardiac cycle that allows efficient contraction of the heart, thereby allowing blood to be pumped throughout the body.

单词	Intraventricular conduction
释义	Intraventricular conduction 英语百科 Electrical conduction system of the heart The normal electrical conduction in the heart allows the impulse that is generated by the sinoatrial node (SA node) of the heart to be propagated to, and stimulate, the cardiac muscle (myocardium). The myocardium contracts after stimulation. It is the ordered, rhythmic stimulation of the myocardium during the cardiac cycle that allows efficient contraction of the heart, thereby allowing blood to be pumped throughout the body.
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Intraventricular conduction

Electrical conduction system of the heart