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Heart failure with preserved ejection fraction (HFpEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from the left ventricle with each heartbeat divided by the volume of blood when the left ventricle is maximally filled – is normal, defined as greater than 50%; [1] this may be measured by echocardiography or cardiac catheterization.
This means staying home if you test positive for the virus—though isolation guidelines have changed quite a bit since SARS-CoV-2, the virus that causes illness with Covid-19, first emerged.