15th March 2024

An 88-year-old woman is admitted with acute onset breathlessness and productive cough with frothy sputum.

An 88-year-old woman is admitted with acute onset breathlessness and productive cough with frothy sputum. Observations reveal a HR 98, RR 27, temperature of 37.1°C, and a SpO2 of 96% on 15L oxygen. Examination reveals a raised JVP and HS I+II+0. There are bi-basal crackles and dullness to percussion. A chest X-ray is obtained:

Prescribe one drug that is most appropriate to manage her acute symptoms.