12th January 2024

A 56-year-old male is brought to A&E with a history of fever, productive cough and haemoptysis.

A 56-year-old male is brought to A&E with a history of fever, productive cough and haemoptysis. He has been seen multiple times before in hospital with alcohol intoxication, and despite multiple attempts in hospital at detox, he still drinks heavily. His blood tests show a marked neutrophilia and raised CRP. A chest X-ray is reported as showing a cavitating lesion in the right upper zone. Which of the following is the most likely causative organism?

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