Stroke volume (SV)

Definition

Stroke volume is the amount of blood pumped by the left ventricle of the heart in one contraction. It varies depending on bodily demands, such as during exercise or rest.

Related terms

Cardiac Output:

The total volume of blood pumped by the ventricle per minute; it is calculated as stroke volume multiplied by heart rate.

Heart Rate:

The number of heartbeats per unit of time, usually measured in beats per minute (bpm).

Ejection Fraction:

A measurement that describes the percentage of blood leaving your heart each time it contracts, used to assess cardiac function