Free Ejection Fraction Calculator | Assess Heart Pumping Efficiency

Calculate Your Ejection Fraction (EF)

mL
Volume of blood in the ventricle at the end of filling.
mL
Volume of blood remaining in the ventricle after contraction.

Calculation Result

Your calculated Ejection Fraction (EF) is: %

Quickly determine your heart's ejection fraction (EF) with our easy-to-use online calculator. Simply input your end-diastolic volume (EDV) and end-systolic volume (ESV) to understand your heart's pumping efficiency. This vital metric helps assess cardiovascular health and can be crucial for monitoring heart conditions.

Formula:

The Ejection Fraction (EF) is a crucial measure of your heart's pumping efficiency. It represents the percentage of blood pumped out of the left ventricle with each contraction.

The formula used is:

Ejection Fraction (EF) = ((End-Diastolic Volume - End-Systolic Volume) / End-Diastolic Volume) × 100%

Where:

  • End-Diastolic Volume (EDV): The total volume of blood in the ventricles at the end of diastole (filling phase).
  • End-Systolic Volume (ESV): The volume of blood remaining in the ventricles at the end of systole (contraction phase).

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