A member asked:

How do blood levels affect cardiac output?

5 doctors weighed in across 2 answers

Levels = volumes?: Blood levels meaning blood volumes? Cardiac output is the volume of blood being pumped by the heart per minute. It is calculated by stroke volume x heart rate. Stroke volume is the volume of blood pumped from one ventricle of the heart with each beat.

Answered 12/12/2016

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More = more: Starling's law of the heart says that the more full the heart is, the more volume it will pump. (ie more cardiac output). There are limits though, of course.

Answered 7/4/2013

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