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free120/Block 2/Question#31 (4.7 difficulty score)
A 23-year-old woman is brought to the medical ...
Orthostatic hypotension🔍

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confused why this is not autonomic dysfunction or hyponatremia due to sweating and why is this orthostatic hypotension?

mamed  Not sure if this is correct thinking but how I got this right was: 1. She is hypovolemic 2. Likely retaining salt so water follows (ADH or just renal dynamics in general). This is how I ruled our hypokalemia and hyponatremia 3. If she is hyponatremic b/c sweating then why wouldn't she also be hypokalemic? so both have to wrong because both can't be right 4. Volume depletion ==> orthostatic hypotension +  
blah  I thought that orthostatic hypotension was more of a chronic condition, but I fooled myself into believing that. +  

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submitted by mamast16(0),

Tough question but 0.9% saline is isotonic and normally used for volume repletion is how I got it