Pulmonary Embolism (duration) — MRCP Part 1 MCQ

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ModerateHematologyPulmonary Embolism (duration)MRCP Part 1

A 60-year-old with unprovoked PE completes 3 months of apixaban and has low bleeding risk. Best recommendation?

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Correct answer: B — Continue indefinite anticoagulation (extended-phase) at reduced DOAC dose

For unprovoked VTE and low bleeding risk, guidelines recommend indefinite anticoagulation; reduced-dose DOAC for extended phase is reasonable. Stopping at 3 months increases recurrence. Aspirin is inferior. IVC filter is not indicated when anticoagulation is possible.

Reference: CHEST Guideline (2021): Antithrombotic Therapy for VTE Disease