Symptoms & Signs
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:
- Chest discomfort (angina)
- Fainting (syncope)
- Light-headedness or dizziness
- Sensation of feeling the heart beat (palpitations)
- Shortness of breath
Note: Symptoms may start and stop suddenly. In some cases, there are no symptoms.
Diagnosis & Tests
- Absent pulse
- Loss of consciousness
- Normal or low blood pressure
- Rapid pulse
Ventricular tachycardia may be seen on:
- Continuous ambulatory electrocardiogram (Holter monitor)
- Intracardiac electrophysiology study (EPS)
- Loop recorder
Blood chemistries and other tests may be done.
Review Date : 6/7/2008
Reviewed By : David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only — they do not constitute endorsements of those other sites. © 1997- 2010 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.