Acid fast bacillus
Latent disease believed to affect >20% of world population.
Prevalence higher in developing nations and mimics HIV/AIDS distribution
In young children, usually primary disease such as acute/subacute pneumonia or disseminated disease.
Pulmonary - cavitating pneumonia, upper lobe pnuemonia, occasionally miliary
Extrapulmonary including lymph node disease, CNS infection, osteomyelitis (Potts), peritoneal and others.
Confirmed or suspected pulmonary, laryngeal.
Maintain until TB ruled out OR until patient has received two weeks of effective therapy; is clinically improved and 3 negative sputa which can be taken a minimum of 1 hour apart
If multidrug-resistant TB, maintain until culture negative.
Extra-pulmonary; meningitis, bone, joint infection, non draining lesions
Skin test positive with no evidence of current pulmonary disease, Latent tuberculosis infection (LTBI)
Consult ID for all TB disease.
Contact IPAC prior to discontinuing precautions.
MDR TB is defined as resistance to Rifampin and Isoniazid