Regulation of arterial blood pressure and cardiac output

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Biomedical Science
BMS 420
Charles Miller

3 October When cardiac output, and thus venous return, is zero, RAP equals mean systemic filling pressure (MSFP) Frank-Starling curve If shifted to the left, cardiac performance is enhanced If shifted to the right, cardiac performance is worse Vascular tone causes curve to shift to right with dilation, to left with constriction (swivels on mean systemic filling pressure) Enhanced blood volume shifts vascular curve to right, parallel to normal curve Lower blood volume shifts curve to left, parallel to normal curve Mean systolic filling pressure shifts along axis here Regulation of Arterial Blood Pressure and Cardiac Output CO = HR x SV = HR x (EDV – ESV) ABP = HR x (EDV – ESV) Heart Rate:
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