1 Day Of Sudden-onset in Medicine / Internal Medicine — 45yo Man | Cardiology | SMLE Q#12258
SMLE Question #12258
Medicine / Internal Medicine
Cardiology
Objective: OBJ-163
Last updated: February 2026
A 45-year-old man presents with 1 day of sudden-onset dyspnea and right-sided pleuritic chest pain. He returned from a 10-hour flight 3 days ago and smokes. ECG shows peaked P waves in lead II, right axis deviation, and right bundle branch block. Chest X-ray is unremarkable. D-dimer is elevated. What is the most helpful next investigation to confirm pulmonary embolism?
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