MR 3/24/25

MR

By Ruben Mora

Multiple Choice

A 44-yo woman with AMS. Na 118, K 3.1, Cl 90, Bicarb 222, POSM 248.

Most appropriate treatment?

• fluid restriction

• 0.9% NS

• 3% salien plus desmopressin

• Tolvaptan

Multiple Choice

A 65yo man with 7week history of increased fatigue and poor appetite. Na 130, K 3.6, Cl 99, Bicarb 23, Posm 290, total protein 9.8, uosm 240, u sodium 45. most likely cause of hyponatremia?

• Hypercalcemia

• Multiple myeloma

• Poor solute intake

• Psychogenic polydypsia

• SIADH