In the normal heart, the main pumping chamber (left ventricle) ejects at least 50 percent of the blood that comes into it with each heartbeat. This is called ejection fraction. It is a measure of the strength of the heartbeat. If the heart is diseased or weak, the ejection fraction decreases.
- Q What are ways to reduce my risk of sudden cardiac death if I am a woman?
- Q What is the structure of an artery?
- Q How is oxygenated and deoxygenated blood kept from mixing in the heart?
- Q What does a low or abnormal ejection fraction (EF) mean?
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- Q What tools can a doctor use to check my heart?