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Hello. I have a course Question:

Mrs. Saraceno is a 71-year-old female who had an episode of acute

pulmonary edema following an endovascular aneurysm repair. She was managed successfully with a loop diuretic and is ultimately discharged on furosemide 60 mg daily and instructed to follow up with cardiology. She is seen in the office postoperatively 2 weeks after discharge. She has not yet seen a cardiologist but has continued all discharge medications. Her metabolic panel is as follows: Na+ 126 mEq/L K+ 4.0 mEq/L Cl- 93 mEq/L CO2 28 mEq/L BUN 40 mg/dL Cr 1.3 mg/dL The AGACNP recognizes that the patient likely has which abnormality as a consequence of diuretic overuse?

A.Hyponatremia      B. Hypokalemia      C. Metabolic acidosis      D.Intrarenal failure

It is obvious that the patient has hyponatremia, because she has a sodium of 126 (normal 135-145). But due to her Creatine clearance and her BUN, I am suspicious for AKI. So I'm thinking both answers are correct, but I'm hesitant to which is better.

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