4th September 2020

A 58-year-old man presents with a week of increasing breathlessness

A 58-year-old man presents with a week of increasing breathlessness, chest pain, fever and productive cough with haemoptysis. He describes the blood as appearing “lumpy”. He has hypertension and high cholesterol, for which he takes ramipril and simvastatin. He is a smoker and drinks around 40 units of alcohol a week. His observations are heart rate 80 bpm, respiratory rate 24 bpm, blood pressure 140/90 mmHg, temperature 38.1°C and O₂ saturation 95%. There are inspiratory crackles over the right upper lobe.

For the patient above, please select the SINGLE most likely causative organism. Select ONE option from the list above.