Taber's Medical DictionaryA In echocardiography, the velocity of blood flow through the mitral valve that occurs at the end of diastole. A is a sample topic from the Taber's Medical Dictionary. To view other topics, please sign in or purchase a subscription.Taber’s Cyclopedic Medical Dictionary Online + Mobile powered by Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Learn more.