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What is an ejection fraction used for to diagnose heart failure?

ANSWER

It's a measure of how much blood is pumped out of your heart each time it beats. A normal amount is between 55% and 75%, which means that over half of the blood volume is pumped out of the heart with each beat. Heart failure may happen because of a low ejection fraction.

SOURCES:

American Heart Association: "Common Tests for Heart Failure," "Symptoms & Diagnosis of Heart Failure."

UpToDate: "Natriuretic peptide measurement in heart failure."

Mayo Clinic: "Coronary angiogram: Overview."

Cleveland Clinic: "Myocardial Biopsy."

Reviewed by James Beckerman on September 6, 2019

SOURCES:

American Heart Association: "Common Tests for Heart Failure," "Symptoms & Diagnosis of Heart Failure."

UpToDate: "Natriuretic peptide measurement in heart failure."

Mayo Clinic: "Coronary angiogram: Overview."

Cleveland Clinic: "Myocardial Biopsy."

Reviewed by James Beckerman on September 6, 2019

NEXT QUESTION:

What is an electrocardiogram used for to diagnose heart failure?

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