A 64-year-old man presents to the emergency department after a motor vehicle crash and receives a CT of the abdomen that shows a finding of a unilater

Subject
Medicine
System
Endocrine, Diabetes & Metabolism

Kathryn

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Jul 29, 2020
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A 64-year-old man presents to the emergency department after a motor vehicle crash and receives a CT of the abdomen that shows a finding of a unilateral mass in the left adrenal gland. He is unharmed from the accident, feels well, and has never smoked. His blood pressure is 155/90 mm Hg, deep tendon reflexes are 3/4, and muscle strength is 4/5. Laboratory studies show:
Na+: 150 mEq/L ; K+: 3.0 mEq/L ; Cl−: 105 mEq/L;
HCO3−: 36 mEq/L
Plasma renin activity is also decreased. Which of the following is most likely to be increased?

(A) Aldosterone
(B) Anion gap
(C) Carcinoembryonic antigen
(D) Prostate-specific antigen
(E) Troponin
 
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