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% ...
Create, view, and edit professional diagrams collaboratively as part of your Microsoft 365 subscription. Visio in Microsoft 365 brings core Visio capabilities to Microsoft 365 and helps you create ...