10 results
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 #SkinTest
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
False-Negative IGRA ... #Diagnosis #TB ... #Tuberculosis # ... Tuberculin #SkinTest ... #TSTs #IGRA #FalseNegatives
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Tuberculosis Overview ... release assay (IGRA ... quantiferon-gold (IGRA ... simultaneous TST or IGRA ... with TST or IGRA
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Tuberculosis Overview ... release assay (IGRA ... quantiferon-gold (IGRA ... simultaneous TST or IGRA ... with TST or IGRA
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
LATENT TB • ... positive TST or IGRA ... IGRA/QuantiFERON-TB ... age ACTIVE TB ... Diagnosis #Workup #TB
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
individual with active TB ... consistent with old TB ... individuals #Tuberculosis ... #Tuberculin #SkinTest
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Differential Diagnosis Algorithm ... CMV, HIV, Toxo, TB ... larynx disease, Tuberculosis ... - disseminated tuberculosis ... Differential #Diagnosis #Algorithm
A System for the Diagnosis of Tuberculosis #Diagnosis #EM #IM #InfectiousDisease #TB #Tuberculosis #Assessment #Algorithm #Ddxof
the Diagnosis of Tuberculosis ... InfectiousDisease #TB ... #Tuberculosis # ... Assessment #Algorithm
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis ... Cross reacts with IGRAs ... Kansasii: • Mimics TB ... patients with typical tuberculosis
Fever of Unknown Origin (FUO) Diagnostic Algorithm
STEP 1 Perform a comprehensive history and complete physical examination.
STEP
FUO) Diagnostic Algorithm ... with microscopy, tuberculosis ... skin test or TB ... FUO #Diagnosis #Algorithm