ModerateCardiovascularAcute heart failure with pulmonary oedemauk-plab-1
A 70-year-old woman presents with acute breathlessness, orthopnoea and frothy pink sputum. She is tachypnoeic at 32 breaths/min, BP 190/110 mmHg, pulse 120 bpm and oxygen saturation 88% on air. Bibasal crackles are heard on auscultation. Which is the most appropriate immediate pharmacological treatment?