Middle English (Scots) carne, from Scottish Gaelic carn; akin to Old Irish & Welsh carn cairn
Ejection fraction is commonly measured by an echocardiogram and serves as a general measure of a person's cardiac function. Ejection fraction is typically low in patients with the systolic form of congestive heart failure.
Ejection fraction is one of the many ways doctors classify the type and severity of heart failure and damage to the heart muscle. Ejection Fraction Ranges â¢ An ejection fraction above 50% indicates that your heart is pumping normally and is able to deliver an adequate supply of blood to your body and brain.