12 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
emboli • Lung abscess ... characteristic features Clinical ... Diagnosis: Latent ... and Culture • CXR ... #TB #Diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Algorithm Massive ... Bronchiectasis • Abscess ... Malformation Normal CXR ... Vasculitis Infection ... • Viral • Tuberculosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... characteristic features Clinical ... Diagnosis: Latent ... and Culture • CXR ... #TB #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... result with no clinical ... viral infections ... used to exclude pulmonary ... #InfectiousDiseases
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... spread of MTB infection ... • Cavitation, Abscess ... #xray #clinical ... #radiology #CXR
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Differential Diagnosis ... Opacities: • Infectious ... Mycobacterium: Tuberculosis ... #pulmonary #CXR ... #clinical #CT
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases Clinical ... signs/symptoms of active ... pulmonary TB PE ... tissue damage - CXR ... for concomitant pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... Blood cultures • CXR ... #pulmonary #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis ... Disease: Clinical ... • Dyspnea, • Chest ... Lung Disease: • Clinical ... #infectiousdiseases
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
increased B-cell activity ... renal failure Clinical ... e.g. incidental CXR ... Pulmonary: dyspnea ... , cough, chest pain