5 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • ... Tuberculin skin test ... assay (IGRA) • PPD ... Active TB: • ... #Treatment #ActiveTB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • ... Tuberculin skin test ... assay (IGRA) • PPD ... Active TB: • ... #Treatment #ActiveTB
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing LATENT ... TB • LTBI is diagnosed ... used to exclude pulmonary ... #Workup #TB #Latent ... #Active #LatentTB
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
man with PMH of latent ... TB s/p treatment ... Labeled CXR: ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Tuberculin Skin Test ... Threshold for treatment ... individual with active ... CXR consistent ... Criteria #Thresholds #PPD