Ventricular tachycardia (VT) is a type of fast heart rhythm that originates from the ventricles, causing them to beat rapidly, usually at a rate of more than 100 beats per minute. This condition can lead to insufficient blood flow to the body and may progress to more severe arrhythmias, such as ventricular fibrillation. VT is critical in the interpretation of electrocardiograms (ECGs) because it significantly affects the heart's electrical activity and overall functionality.
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