Monday, 7 August 2017

Determinants of Cardiac Ejection Fraction for the Patients with Dobutamine Stress Echocardiography

Ejection fraction (EF) indicates to the percentage of blood that is pumped (or ejected) out of the ventricles with each heartbeat. One of the most important determinants of the severity of systolic heart failure is the ejection fraction (EF). EF acts as a common measure of a person's cardiac function, and it is generally measured by echocadiogram. 

Dobutamine Stress Echocardiography

Dobutamine Stress Echocardiography

EF is always low in patients with systolic congestive heart failure. A low EF is always associated with some cardiac diseases. Generally, healthy individuals have EF between 50% and 65%. In practice, normal values depend on the mathematical model (for example EF(%)=100SV/EDV, SV=stroke volume=end-diastolic volume (EDV) -end-systolic volume (ESV)) being used to compute the EF, and it may depend on the person's physical, biochemical, lifestyle, working nature, dietary parameters, etc. Read More>>>>

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