Ejection fraction is a measure of how much blood your heart is effectively pumping. It's actually the measure of the blood contained in your ventricles when they're full (end diastolic volume nor EDV) and the amount remaining in the ventricles after pumping is entirely completed (end systolic volume). So the jection fraction is the amount of blood pumped divided by the EDV and expressed as a fraction Larger numbers are usually better. 50-60% is healthy.
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All rational numbers are fractional but all fractional numbers are not rational. For example, pi/2 is fractional but not rational.
write 18.575 in fractional notation
0.0475 in fractional form = 19/400
Fractional form of 0.0625 is 1/16
The fractional notation for 2.21 = 221/100