us-abem MCQ (SBA): PE (PERC Rule)

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EasyEmergency MedicinePE (PERC Rule)us-abemus-usmle-step-2

A 45‑year‑old man with low‑risk PE probability is PERC‑negative. He asks if a D‑dimer is still needed. Best response?

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us-abem MCQ: PE (PERC Rule) — Answer & Explanation | iatroX