mani
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aftre unilat nephrectomy, cardiac out put is decreased. this is due to increased after load. is there some other factor involved in this phenomenon?
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| rida
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possibly increased TPR, usually when cardiac output goes down, to compensate, the TPR would go up.
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| mani
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rida, as i stated in my question, cardiac output decreases due to increaseed TPR (which i took as increased after load). TPR would increase as we a removal a cicuit from a parallel circuit system which would increase the overall resistance. Increased resistance ----> increased systemic BP -------> decreased cardiac out put. Thats wt i meant. I wanna know is there any other factor contributing to decreased CO.
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| rida
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oh sorry about that mani. It seems to me that you have written out exactly why CO woul dbe decreased, because i always think of it in terms of the equation
MAP = CO x TPR, so i dont know if there is anything else working on decreasing CO. Will look it up.
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