Ventricular tachycardia

Alternative Names

Wide-complex tachycardia; V tach; Tachycardia – ventricular

Definition of Ventricular tachycardia

Ventricular tachycardia (VT) is a rapid heartbeat that starts in the ventricles.

Causes, incidence, and risk factors

Ventricular tachycardia is a pulse rate of more than 100 beats per minute, with at least three irregular heartbeats in a row.

Symptoms

If the heart rate during a ventricular tachycardia episode is very fast or lasts longer than a few seconds. There may be symptoms such as:

Signs and tests

Signs include:

Treatment

Treatment depends on the symptoms, and the type of heart disorder. Some people may not need treatment.

Expectations (prognosis)

The outcome depends on the heart condition and symptoms.

Review

Issam Mikati, MD, Associate Professor of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/6/2010

ADAM Medical Encyclopedia

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