A member asked:

How are stroke volume and cardiac output distinguished from each other?

2 doctors weighed in across 2 answers
Dr. Calvin Weisberger answered

Specializes in

Cardiac output: Stroke volume times heart rate equals cardiac output. Stroke volume relates to myocardial contractility, vascular resistance, vascular volume, anemia and metabolic state. There are subcomponents to all of these.

Answered 12/10/2013


Dr. Soren Singel answered

Specializes in Neurosurgery

Time: Blood pumped per heart beat - stroke volume. Blood pumped per minute - cardiac output. Stroke volume is what the heart pumps with each beat. Take the stroke volume and multiply by how often the heart beats per minute and you have the cardiac output. Stroke volume measured in ml (milli-liter), cardiac output measured as l/min (liter per minute).

Answered 8/20/2013



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