Best index to measure cardiac afterload is:
Correct Answer: Total peripheral resistance
Description: Ans: D. Total peripheral resistance(Ref: Ganong 25Ie p544, 24/e p546)Cardiac output depends on both preload & afterload.The preload is defined by the venous return & left ventricular end-diastolic volume while the afterload is defined by the mean aerial pressure, which then fither depends on total peripheral resistance.
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