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ModerateCardiovascularAcute pulmonary oedemauk-plab-1

A 62-year-old man with anterior myocardial infarction develops acute severe breathlessness, pink frothy sputum, and bilateral basal crackles. BP is 150/90 mmHg, pulse 110/min, SpO2 88% on air. What is the most appropriate immediate management?

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