siadh

During SIADH/antidiuresis, what site of the nephron has the highest concentration of Na+? Since there is reabsorption but no secretion of Na+ along the nephron, where would it be highest? Is it in the descending loop of henle (concentrating segment) or would it be in the collecting duct, even...

Came across this question. Young woman with weakness/paresthesias. Began 3 weeks ago, worsening. PMH unremarkable, taking no meds. BP was found to be elevated 6 months ago at a health fair, she dismissed it bc she was stressed at the time. BP is now 190/100. Phx unremarkable. Lab = very low...

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