Flashcards in TB Deck (7)
What percentage of people who are infected with Tb with and without AIDS develop the disease ?
7-10% develop the disease in their LIFE times
AIDS patients 10% per YEAR will develop the disease
WHo are more likely to progress to active Tb disease?
HIV infected and Recently infected (within the past 2 years)
How is TB transmitted?
Droplet nucleus-alveolar macrophage access-regional lymph node and blood borne spread
What does the quantiferon assay measure?
the amount of interferon gamma
What tests do you do to diagnose Tb?
1. Sputum AFB-acid fast bacillus
2. Sputum nucleic acid amplification testing (NAAT)
How are nontuberculous mycobacteria acquired?
environmental pathogens that affect predisposed hosts