Medicine & USMLE

Mycobacterium avium

4,497 views
Bacteria - Gram Indeterminate
  1. Mycobacterium tuberculosis: Overview
  2. Mycobacterium tuberculosis: Disease (TB)
  3. Mycobacterium avium
  4. Mycobacterium scrofulaceum
  5. Mycobacterium leprae
  6. Gardnerella vaginalis (Bacterial Vaginosis)
  7. Mycoplasma pneumoniae

Mycobacterium avium

Subscribe to watch this premium Mycobacterium avium mnemonic in the Bacteria - Gram Indeterminate playlist.

Subscribe to watch this premium mnemonic

  • Mycobacterium avium
    • Acid fast rods
      • All mycobacterium are gram + acid fast rods
    • Usually seen in immunocompromised population
      • E.g. AIDS
    • Causes disseminated granulomatous disease in every organ system
    • Treatment/Prophylaxis
      • Macrolide (clarithromycin/azithromycin)
        • Given prophylactically in AIDS when CD4+ count <50 cells/mm^3
        • Rifamycin (rifabutin) and ethambutol are adjuvant therapies
      • Often resistant to mycobacterial drugs
        • E.g. INH, etc.