Premature-Ventricular-Contractions

What are Cardiac Arrhythmias?

…during angina or a heart attack. Are there different kinds of cardiac arrhythmias? Yes, there are several. The most common, called premature ventricular contractions (PVCs), occur when one of the two bottom chambers—the ventricles—of the heart contracts prematurely. A premature atrial contraction…

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