Which of the following rightly describes the mechanism of “Pressor Escape” in SIADH?

A. Characterized by sudden increase in urine volume with decrease in urine osmolality independent of circulating vasopressin levels.

B. Characterized by sudden increase in urine volume with decrease in urine osmolality dependent of circulating vasopressin levels.

C. Characterized by sudden decrease in urine volume with increase in urine osmolality independent of circulating vasopressin levels.

D. Characterized by sudden decrease in urine volume with increase in urine osmolality dependent of circulating vasopressin levels.=

Correct Answer: Characterized by sudden increase in urine volume with decrease in urine osmolality independent of circulating vasopressin levels.

Description: Ans. A. Characterized by sudden increase in urine volume with decrease in urine osmolality independent of circulating vasopressin levels. * Also referred as "Vasopressin Escape".* Characterized by sudden increase in urine volume with decrease in urine osmolality independent of circulating vasopressin levels.

Category: Physiology

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