A 45-year-old man known to be HIV positive presents with fever, non-productive cough, weight loss and mild confusion. Vitals: HR 105 BP 110/70 SpOβ‚‚ 94% RA T 38.6 BSL 5.4.

1. List four important differential diagnoses to be considered in this patient. 2 marks

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2. List and justify four specific investigations that will help differentiate the cause of the patient’s illness. 4 marks

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The patient’s new girlfriend is in attendance. She is concerned re : her risk of contracting HIV.

3. List four factors that influence your commencing PEP in the patient’s partner. 2 marks

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4. List four things a clinician must discuss with patients to whom they are prescribing PEP. 4 marks

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