Physiology Exam 4
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The stroke volume is the volume of blood ejected during a single cardiac contraction.
SV = EDV - ESV
The cardiac output is the blood flow per unit time (L/min).
CO = SV * HR
(Cardiac index = CO/BSA)
Stroke work is the amount of work the heart does during a single contraction.
SW = VPP * SV
(whereas the RV and LV SV & CO are equal, their SW is different because of differences in pressure)
The Fick Principle (measurement of cardiac performance)
Flow = Quantity consumed/(Arterial content - Venous content)
Cardiac Output = O2 Consumption/(ao2 - vo2)
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