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Course: Hypernatremia

CME Credits: 1.00

Released: 2022-02-22

A healthy 36-year-old man underwent transsphenoidal resection of a pituitary macroadenoma, which had been discovered incidentally on brain magnetic resonance imaging. In the immediate postoperative period, he received a 0.9% saline infusion as part of routine postoperative treatment. Within 30 minutes of arrival in the recovery room, he developed persistent, large-volume urine output (400 mL/h). Blood testing performed 6 hours after the operation showed a sodium value of 148 mEq/L, increased from a baseline level of 138 mEq/L. Complete laboratory results are found in the .


Educational Objective
To understand how to interpret the results of diagnostic tests and apply them clinically.


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