A 59-year-old male presents to the GP for a routine health maintenance examination. His blood pressure is 165/100. An S4 heart sound is auscultated. Abdominal examination reveals a bruit. Which of the following sets of electrolytes (mEq/L) and arterial pCO2 (mmHg) is most likely in this patient?
Na+ 125; K+ 4.3; pCO2 36
Na+ 129; K+ 5.1; pCO2 32
Na+ 131; K+ 5.2; pCO2 45
Na+ 140; K+ 3.2; pCO2 46
Na+ 147; K+ 3.1; pCO2 30
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Cut-to-the-chase Answer (1:05):
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HY USMLE Answer (5:07):
