How to Determine Stroke Volume

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    • 1). Determine the end-diastolic volume of the heartbeat. End-diastolic volume (EDV) is the amount of blood in one of the heart's ventricles just prior to the actual heartbeat. This information is obtained by undergoing a ventricular angiogram, which should be administered only by a medical professional.

    • 2). Determine the end-systolic volume of the heartbeat. End-systolic volume (ESV) is the amount of blood in one of the heart's ventricles immediately following the heartbeat. Like EDV, this information also requires undergoing an angiogram.

    • 3). Subtract the ESV from the EDV. The difference is the stroke volume of the patient. For example, if you had an EDV of 100 ml and an ESV of 10 ml, you would subtract 10 ml from 100 ml to get a stroke volume of 90 ml.

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