12th January 2024

A 48-year-old gentleman presents with progressive shortness of breath on exertion and dry cough.

A 48-year-old gentleman presents with progressive shortness of breath on exertion and dry cough. He has a background of HIV. A chest X-ray is taken, which shows bilateral infiltrates. His oxygen saturations at rest on room air are 89%. An arterial blood gas is performed on air, which shows a PaO2 of 7.6 kPa. What is the most appropriate management for this patient?

Select the SINGLE most appropriate option from the list below. Select ONE option only.