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Kaplan Qbank USMLE



Author3 Posts
  #1

By which mechanism does cortisol cause hypocalcemia & hypokalemia

  #2

cortisol does not directly causes hypokalemia in physiological range , however at high levels it has significant mineralocorticoid activity to induce salt&water retention and causing hypokalemic alkalosis

similarly at high levels only....it has been hypothesized tht it may reduce the absorption of Ca++ from gut and increase their excretion into the urine :arrow: secondary hyperparathyroidism....in addition it also has osteoblast inhibiting activity.

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  #3

Thanks, very good explanation







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