Q:

A 34 year old IVDA (intravenous drug addict) presents with a 4 months history of productive cough. He has lost 10kgs. What is the single most appropriate investigation?

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A 34 year old IVDA (intravenous drug addict) presents with a 4 months history of productive cough. He has lost 10kgs. What is the single most appropriate investigation?


  1. Sputum for AFB
  2. Laryngoscopy
  3. Bronchoscopy
  4. CT neck
  5. CXR

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The key is A. Sputum for AFB. [In IVDA immunity becomes low and easily gets infected with TB].

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