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Ventricular ArrhythmiaCoraz³n: Arritmia ventricular

Ventricular Arrhythmia

Sometimes problems with the heart's electrical signals lead to a fast heart rhythm. Too many signals may make the heart beat very fast (tachycardia). Or signals may be sent so rapidly and irregularly that the heart muscle sometimes quivers and doesn't beat at all (fibrillation).

Image of heart

Ventricular Tachycardia (VT)

  • With VT, abnormal electrical pathways or circuits develop in the ventricles, usually in an area of heart muscle that's been damaged by heart attack or disease.

  • Electrical signals enter the abnormal circuit and loop around, each time telling the ventricles to contract. This makes the heart beat very fast.

  • VT can sometimes develop into the most serious arrhythmia, ventricular fibrillation.

Image of heart

Ventricular Fibrillation (VF)

  • With VF, the ventricles contain many abnormal circuits. These are usually due to damaged heart muscle.

  • When signals enter the circuits, the ventricles beat very quickly and irregularly, so the heart muscle can't pump effectively.

  • If the heart gets to the point that it can't pump at all (cardiac arrest), death may occur if emergency treatment isn't given to return the heart rhythm to normal.

Publication Source: American College of Cardiology Foundation

Publication Source: American Heart Association

Online Source: American College of Cardiology Foundation

Online Source: American Heart Association

Date Last Reviewed: 2004-07-04T00:00:00-06:00

Date Last Modified: 2002-07-09T00:00:00-06:00

Jay L. Jordan, MD, is an experienced cardiologist and internal medicine physician who provides a comprehensive range of cardiac care services in Beverly Hills, Los Angeles, Santa Monica, Glendale, Burbank, Calabasas and nearby communities. Take the first step in preventing and controlling heart disease with symptoms such as angina, arrhythmias, atrial fibrillation, cardiomyopathy, carotid artery disease, chest pain, congestive heart failure, coronary vascular disease, hypertension, palpitations, shortness of breath and stroke. Call Dr. Jay L. Jordan at 310-854-5493 or request an appointment online.

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