Cardiac output is the product of the heart rate, or the number of heart beats per minute, and the stroke volume, which is the volume of blood pumped from the ventricle per beat.
There is an equation for cardiac output:
CO= HR × SV.
Cardiac output is measured in the values of L/min. Normally for a healthy person the cardiac output rests at average of 5L/min, in which approximately the HR is 70 beats/min, and SV would be approximately 70 mL.
Cardiac output is a global blood flow parameter of interest in hemodynamics which is study of the flow of blood. The factors affecting stroke volume and heart rate also affect cardiac output.
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