12th January 2024

A 52-year-old gentleman presents to A&E with flu-like symptoms and shortness of breath.

A 52-year-old gentleman presents to A&E with flu-like symptoms and shortness of breath. He has a past medical history of hypertension. He works as a pigeon fancier and reports that some of his birds have also been unwell. His observations show he has a heart rate of 60 bpm and a temperature of 38.2 degrees Celsius. On auscultation of his chest, widespread crackles are heard, and his chest X-ray shows hazy opacities affecting both lower lobes. What is the most likely diagnosis?

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