The heart has its own unique self-conducting electrical system, which enables the heart to beat. It originates in the right atrium, one of the upper chambers of the heart.
Tachycardia is a term used to describe an abnormally fast heart rate. Ventricular Tachycardia occurs when there is a disruption to the electrical system of the heart, that originates from the ventricles, the lower chambers of the heart. This often occurs following a heart attack, where the tissue of the heart has severe scarring that disrupts the electrical circuit.
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