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  • But wouldnt the dehydration cause a low volume state and with it a decrease in renal plasma flow and activation of the RAAS sodium rabsorption and potasium secretion.


    If a patient is pre-renal and distal sodium delivery is low as a result (to...
    But wouldnt the dehydration cause a low volume state and with it a decrease in renal plasma flow and activation of the RAAS sodium rabsorption and potasium secretion.


    If a patient is pre-renal and distal sodium delivery is low as a result (to conserve volume), then even if aldosterone acts, there is little sodium to participate in potassium exchange. If this physiology didn't occur, we would be come hypokalemic whenever volume contracted.

    Dr. Jordan Weinstein
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