Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
End Diastolic Volume (EDV) is the volume of blood in a ventricle at the end of filling, or diastole, before the heart contracts. It represents the maximum volume of blood that the ventricle will pump out during systole.
Related terms
Systole: The phase of the heart cycle during which the heart muscles contract and pump blood from the chambers into the arteries.
The phase of the heart cycle when the heart muscle relaxes and allows the chambers to fill with blood.
Stroke Volume (SV): The amount of blood pumped by the left ventricle of the heart in one contraction, calculated as EDV minus end-systolic volume (ESV)