A 45-year-old Nepalese man presents to your Emergency Department with a 2-week history of cough, fever, haemoptysis and weight loss which has not responded to 2 courses of PO antibiotics.

Active pulmonary tuberculosis

1. State (3) relevant findings on the CXR. 3 marks

You are concerned for active pulmonary TB.

2. List (5) possible differentials for these radiological changes. 5 marks

3. List and justify (3) specific investigations which would be useful in this patient. 3 marks

4. Outline (2) important steps in the overall management of this patient. 2 marks

5. List (5) extrapulmonary complications of M tuberculosis. 5 marks