Enter the end-diastolic volume and the stroke volume into the calculator (in mL or select another unit). The calculator will calculate the End-Systolic Volume.
Medical note: This calculator is for educational purposes only and does not provide medical advice or a diagnosis. EDV/ESV/SV measurements typically come from clinical testing (such as an echocardiogram or cardiac MRI) and should be interpreted by a qualified clinician in context. If you have symptoms such as chest pain, shortness of breath, fainting, or swelling, seek medical care.
End-Systolic Volume Formula
ESV = EDV - SV
Variables:
- ESV is the End-Systolic Volume (typically mL)
- EDV is the End-Diastolic Volume (typically mL)
- SV is the Stroke Volume (typically mL)
To calculate End-Systolic Volume, subtract the stroke volume from the end-diastolic volume (using consistent units).
How to Calculate End-Systolic Volume?
The following steps outline how to calculate the End-Systolic Volume.
- First, determine the end-diastolic volume.
- Next, determine the stroke volume.
- Next, gather the formula from above = ESV = EDV – SV.
- Finally, calculate the End-Systolic Volume.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
end-diastolic volume (mL) = 140
stroke volume (mL) = 80
FAQs
What is End-Diastolic Volume (EDV)?
End-Diastolic Volume (EDV) is the volume of blood in the ventricles at the end of diastole, right before the heart contracts. It is one factor used when assessing cardiac function.
How does Stroke Volume (SV) affect cardiac output?
Stroke Volume (SV) is the amount of blood pumped by the left ventricle of the heart in one contraction. Cardiac output (the volume of blood the heart pumps per minute) is calculated by multiplying stroke volume by heart rate, so SV influences cardiac output.
Why is calculating End-Systolic Volume (ESV) important?
End-Systolic Volume (ESV) is used in clinical contexts to help evaluate how efficiently the heart pumps. Higher or lower values may be associated with certain conditions and should be interpreted by a clinician in context.
Can changes in EDV or SV indicate heart problems?
Changes in End-Diastolic Volume (EDV) or Stroke Volume (SV) can have multiple causes. If results are unexpected or you have concerning symptoms, it’s best to review them with a qualified clinician rather than relying on a calculator alone.
