vasovagal
vasovagal (vay-zoh-vay-găl) adj. relating to the action of impulses in the vagus nerve on the circulation. The vagus reduces the rate at which the heart beats, and so lowers its output. v. attack excessive activity of the vagus nerve, causing slowing of the heart and a fall in blood pressure, which leads to fainting. See syncope.
More From encyclopedia.com
Bradycardia , bradycardia describes a heart beat which is either habitually slow, or which drops from its usual rate. In health, bradycardia may be the result of a… Heart Attack , Definition
A heart attack, which is also called a myocardial infarction (MI), is the death or damage of part of the heart muscle because the supply o… Hypertension , Definition
Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them.… Congenital Heart Disease , Definition
Congenital heart disease, or congenital heart defect, includes a variety of structural problems of the heart or its major blood vessels, w… Cardiac Tamponade , Cardiac Tamponade
Definition
Cardiac tamponade occurs when the heart is squeezed by fluid that collects inside the sac that surrounds it.
Description… Heart Failure , Definition
Heart failure is a broad term—often used interchangeably with congestive heart failure (CHF)—to describe the heart's inability to consiste…
You Might Also Like
NEARBY TERMS
vasovagal