Ejection fraction (EF) measures how well the heart pumps blood. A normal EF is 55% to 70%, meaning the heart pumps out at least half of the blood in its left ventricle with each beat. An EF below 50% ...
"These findings suggest that small variations in the amount of fluid given to a patient with sepsis, or the decision to give less fluid to a patient because they have heart failure, may not have a ...
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