04-15-2009, 08:25 PM
A 45 year old male with a history of hypertension and hyperlipidemia complains of generalized weakness. His laboratory studies are below.
Serum
Na+ 144 mEq/L
K+ 5.9 mEq/L
Cl- 101 mEq/L
HCO3- 16 mEq/L
Urea nitrogen 66 mEq/L
Cr 2.8 mEq/L
Uric acid 13.1 mEq/L
Calcium 6.1 mEq/L
Urine dipstick
Specific gravity 1.030
Blood - positive
Nitrates “ negative
Leukocyte esterase “ negative
Urine microscopic examination
No WBCs
No RBCs
Which of the following medications is likely the cause of his symptoms?
A) lisinopril
B) verapamil
C) digoxin
D) rosuvastatin
E) hydralazine
Serum
Na+ 144 mEq/L
K+ 5.9 mEq/L
Cl- 101 mEq/L
HCO3- 16 mEq/L
Urea nitrogen 66 mEq/L
Cr 2.8 mEq/L
Uric acid 13.1 mEq/L
Calcium 6.1 mEq/L
Urine dipstick
Specific gravity 1.030
Blood - positive
Nitrates “ negative
Leukocyte esterase “ negative
Urine microscopic examination
No WBCs
No RBCs
Which of the following medications is likely the cause of his symptoms?
A) lisinopril
B) verapamil
C) digoxin
D) rosuvastatin
E) hydralazine