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MediumEmergency MedicinePulmonary Embolismukmlamrcp part 1mrcem sbapaneprescribing safety assessment

A 34-year-old man presents to the Emergency Department with sudden onset severe shortness of breath and pleuritic chest pain. His oxygen saturation is 88% on room air. He has a heart rate of 120 bpm, respiratory rate of 28/min, and BP 100/60 mmHg. He has no significant past medical history but returned from a long-haul flight 2 days ago. What is the most appropriate immediate pharmacological intervention whilst awaiting diagnostic confirmation?

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