Airborne Precautions (N95)
Acid fast bacillus.
Latent disease believed to affect >20% of world population.
Prevalence higher in developing nations and mimics HIV/AIDS distribution.
Pulmonary:
Cavitating pneumonia
Upper lobe pnuemonia
Occasionally miliary
Extrapulmonary:
Lymph node disease
CNS infection
Osteomyelitis (Potts)
Peritoneal
Others
Airborne precautions for pulmonary disease and for extrapulmonary, draining lesions.
Infectious Diseases consultation recommended.
Pyridoxine (Vitamin B6) is used to prevent peripheral neuropathy associated with isoniazid therapy.
Caseating granulomas on pathology.
MDR includes rifampin and isoniazid resistance.