Practice question

Answer the question and get instant feedback.

EasyCardiologyAnticoagulation Safetyus-abimus-usmle-step-2

A 66-year-old woman with nonvalvular AF and CHA2DS2-VASc 4 has CKD stage 3. Before starting apixaban, what lab is essential?

Educational content. Not a substitute for clinical judgement or local policy.