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Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infections/year ... for 4.6% of new infections ... TB: • Tuberculin ... and Culture • CXR ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infections/year ... for 4.6% of new infections ... TB: • Tuberculin ... and Culture • CXR ... disease • Check CXR
Identify a Positive Tuberculosis (TB) Skin Test
#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters
Identify a Positive Tuberculosis ... (TB) Skin Test ... #Diagnosis #Tuberculosis ... #LatentTB #Tuberculin
Tuberculosis Skin Test Interpretation

#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters #PPD
Tuberculosis Skin ... #Diagnosis #Tuberculosis ... #LatentTB #Tuberculin
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
LATENT TB • ... IGRA/QuantiFERON-TB ... interpreted Tuberculin ... #Latent #Active ... #LatentTB #ActiveTB
Tuberculin Skin Test (Positive Mantoux Test) Result, Reading and Interpretation

#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation
Tuberculin Skin ... #Diagnosis #Tuberculosis ... #LatentTB #Tuberculin
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Tuberculin Skin ... individual with active TB ... • Abnormal CXR ... consistent with old TB ... individuals #Tuberculosis
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
The Spectrum of Tuberculosis ... exposure to M. tuberculosis ... eliminated the infection ... have negative tuberculin ... Spectrum #Table #Latent
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
CMV, HIV, Toxo, TB ... Melanoma • Axillary: Infection ... larynx disease, Tuberculosis ... , Sjögren's • Infection ... - disseminated tuberculosis
By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com  @febrilepodcast]
#ID  #Infectious Diseases  #Infections
#HIV #PLWH
febrilepodcast] #ID #Infectious ... Diseases #Infections ... #HIV #PLWH #TB ... #tuberculosis #TBHIV