Snapshot A 37-year-old man presents to his primary care physician with subjective fever, malaise, and cough. He reports a few episodes of night sweats and has noted an unintentional 15-pound loss over the course of 2 months. Yesterday, he noted bloody sputum. He recently immigrated from Central Africa and currently lives with many family members in a small apartment. Chest radiograph demonstrates a cavitary lesion in the right upper lobe of the lung. Introduction Definition login to view 1 more bullet Transmission login to view 2 more bullets Extrapulmonary Tb login to view 6 more bullets Epidemiology Risk factors login to view 10 more bullets Etiology Pathophysiology login to view 1 more bullet Mycobacterium tuberculosis Presentation Symptoms login to view 5 more bullets Physical exam login to view 3 more bullets Imaging Chest radiography login to view 6 more bullets Studies Sputum specimen login to view 3 more bullets Blood login to view 1 more bullet Tuberculin skin test login to view 18 more bullets Treatment Medical login to view 15 more bullets Complications Tuberculoma Aspergilloma Acute respiratory failure