Today's mini been is here! Ventricular Tachycardia - Types, Causes, and Treatment Approaches Ventricular tachycardia is the rapid and repetitive firing of 3 or more PVCs in a row with a range of 100-200 beats per minute originating in the ventricles of the heart. It can lead to ventricular fibrillation, asystole, and sudden death. Dr. Umara Ayub, faculty DrBeen, explains the causes of ventricular tachycardia. There are two principal causes of ventricular tachycardia, focal and re-entrant. Focal