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V-tach occurs when your pulse rate is more than 100 beats per minute, and you have at least three irregular heartbeats, or arrhythmias, in a row. Besides palpitations, V-tach can cause symptoms like: Untreated V-tach can be dangerous: It’s a major cause of sudden cardiac death.What is the function of the ventricles in the heart?
Each half of the heart has two chambers: an atrium, and a lower chamber called the ventricle. The function of the atria is to collect and pump blood into the ventricles. The function of the ventricles is to pump blood into systemic and pulmonary circulations.What is the danger of ventricular fibrillation?
Possible complications include: A dangerous condition related to ventricular tachycardia is ventricular fibrillation (V-fib). In V-fib, your lower heart chambers contract in a very rapid and uncoordinated manner. This abnormal rhythm happens most often in people with heart disease or a prior heart attack.