41 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
. tuberculosis infections ... for 4.6% of new infections ... HIV • Recent infection ... inhibitors • Injection ... unable to limit infection
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 infections ... for 4.6% of new infections ... HIV • Recent infection ... inhibitors • Injection ... unable to limit infection
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... TB. ... upper lobes due to infection ... #Clinical #Radiology ... #CXR #Lateral #
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... spread of MTB infection ... #TB #Patterns # ... chest #xray #clinical ... #radiology #CXR
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... • Abnormal CXR ... consistent with old TB ... disease • HIV ... Underweight • Injection
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... splenomegaly Other infections ... including: M, avium, TB ... multiple lesions Infectious ... #neurology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... developing active infection ... • Tuberculosis infection ... • Recent viral infections ... Extrapulmonary infection
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Most invasive infections ... Rhinosinusitis, CNS infection ... , Disseminated infection ... : Intravitreal injection ... Diseases Fellows
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Recurrent infection ... Hypersensitivity: ABPA • Infection ... : TB, NTM, PNA ... • Superimposed infection ... airway • Treating infections
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... chronic heart disease ... infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR