Archive for April, 2007

Ventricular tachycardia

Monday, April 2nd, 2007

Ventricular tachycardia – An arrhythmia (abnormal heartbeat) in the ventricle characterized by a very fast heartbeat.

Ventricular fibrillation

Monday, April 2nd, 2007

Ventricular fibrillation – A condition in which the ventricles contract in a rapid, unsynchronized fashion. When fibrillation occurs, the ventricles cannot pump blood throughout the body.

Ventricle (right and left)

Monday, April 2nd, 2007

Ventricle (right and left) – One of the two lower chambers of the heart.

Vein

Monday, April 2nd, 2007

Vein – Any one of a series of blood vessels of the vascular system that carries blood from various parts of the body back to the heart, returning oxygen-poor blood to the heart.

Vasopressors

Monday, April 2nd, 2007

 Vasopressors – Any medicine that elevates blood pressure.

Vasodilators

Monday, April 2nd, 2007

Vasodilators – Any medicine that dilates (widens) the arteries.

Vascular

Monday, April 2nd, 2007

Vascular – Pertaining to the blood vessels.

Varicose vein

Monday, April 2nd, 2007

Varicose vein – Any vein that is abnormally dilated (widened).

Valvuloplasty

Monday, April 2nd, 2007

Valvuloplasty – Reshaping of a heart valve with surgical or catheter techniques.

Valve replacement

Monday, April 2nd, 2007

Valve replacement – An operation to replace a heart valve that is either blocking normal blood flow or causing blood to leak backward into the heart (regurgitation).