Q70
Single choice
A 60-year-old man with a history of severe chronic obstructive pulmonary disease (COPD), which is steroid dependent, is admitted to the ICU with pulmonary infiltrates and a sepsis syndrome. His hospital course is complicated by acute renal insufficiency and respiratory failure. Therapy includes glucocorticoids and dopamine. He has no history of thyroid disease. Several weeks into his hospital course, the following laboratory studies are performed:
Based on these laboratory studies, which of the following is the most appropriate next step?
