us-abem MCQ (SBA): Pulmonary Embolism Rule-Out

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EasyEmergency MedicinePulmonary Embolism Rule-Outus-abemus-usmle-step-2

A 32-year-old woman with pleuritic chest pain and low pretest probability for pulmonary embolism meets all PERC criteria (age <50, HR <100, SpO₂ ≥95%, no hemoptysis, no estrogen use, no prior DVT/PE, no unilateral leg swelling, no recent surgery/trauma). Next step?

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us-abem MCQ: Pulmonary Embolism Rule-Out — Answer & Explanation | iatr