Heart failure: Normal ejection fraction of the heart is considered >55%. Heart disease, of which coronary artery disease, hypertension, and valvular disease and less frequently myocarditis and cardiomyopathies are considered the major causes of heart failure that may result in poor ejection fraction. Whether it is restorable or not depends on the nature and severity of the disease and its reversibility.
Answered 12/20/2012
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Varies : It does vary based upon the specific cause of the low ejection fraction. Some conditions will remain quite stable and prognosis can be good, others are rapidly progressive and can lead to heart failure and death. Don’t hesitate to discuss the specifics of your case with your doctor.
Answered 10/31/2018
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