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Dr. Shorofsky’s Bio | Q&A Archive
Wide-complex tachycardia; V tach; Tachycardia - ventricular
Ventricular tachycardia (VT) is a rapid heartbeat that starts in the ventricles.
Ventricular tachycardia is a pulse rate of more than 100 beats per minute, with at least three irregular heartbeats in a row.
The condition can develop as an early or late complication of a heart attack. It may also occur in patients with:
Ventricular tachycardia can occur without heart disease.
Scar tissue may form in the muscle of the ventricles days, months, or years after a heart attack. This can lead to ventricular tachycardia.
Ventricular tachycardia can also be caused by:
"Torsade de pointes" is a form of ventricular tachycardia that is often due to congenital heart disease or the use of certain medications.
Olgin JE, Zipes DP. Specific Arrhythmias: Diagnosis and Treatment. In: Libby P, Bonow RO, Mann DL, Zipes DP. Libby: Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 35.