An older male patient with an increased risk of MI is taking furosemide [Lasix] and low-dose aspirin. The patient is admitted to the hospital, and the nurse notes an initial blood pressure of 140/80 mm Hg. The patient has had a 10-pound weight gain since a previous admission 3 months earlier. The patient has voided only a small amount of concentrated urine. The serum creatinine and blood urea nitrogen (BUN) levels are elevated. The nurse will contact the provider to discuss:

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This patient shows signs of renal impairment, as evidenced by weight gain despite the use of diuretics, decreased urine output, hypertension, and elevated serum creatinine and BUN. ASA can cause acute, reversible renal impairment and should be withdrawn. Hypertensive medications do not treat the underlying cause. Serum electrolytes are not indicated. Addition of a potassium-sparing diuretic is not indicated.

An Older Male Patient with an Increased Risk of MI