A 70-year-old woman admitted with CAP and stable vitals asks about biomarkers. How should procalcitonin be used per guideline?...

Question

A 70-year-old woman admitted with CAP and stable vitals asks about biomarkers. How should procalcitonin be used per guideline?

Accepted Answer

Do not use procalcitonin to withhold initial empiric antibiotics when CAP is suspected

Answer

Use procalcitonin to decide initial antibiotics

Answer

PCT >0.25 ng/mL rules out bacterial CAP

Answer

PCT guides viral therapy

Answer

PCT is required for discharge decisions

us-abfm MCQ (SBA): CAP-Procalcitonin Use