Paroxysmal supraventricular tachycardia; Supraventricular tachycardia
Paroxysmal supraventricular tachycardia (PSVT) is a rapid heart rate, which occurs from time to time (paroxysmal). PSVT starts with events taking place above the ventricles.
by Arthur A. Poghosian, M.D.
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