16 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
characteristic features Clinical ... Diagnosis: Latent ... Active TB: • ... and Culture • CXR ... #TB #Diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
characteristic features Clinical ... Diagnosis: Latent ... Active TB: • ... and Culture • CXR ... #TB #Diagnosis
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
/symptoms of active ... pulmonary TB PE ... tissue damage - CXR ... involvement - CT ... #TB #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
LATENT TB • ... LTBI is diagnosed ... result with no clinical ... IGRA/QuantiFERON-TB ... used to exclude pulmonary
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
individual with active ... CXR consistent ... carcinoma of head/neck/lung ... individuals #Tuberculosis ... #diagnosis #Interpretation
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... diffuse inhalational injury ... Mycobacterium: Tuberculosis ... #pulmonary #CXR ... #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Fungal, AFB), TB ... HIVAIDS #workup #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... • Infection: TB ... Nasal polyps and signs ... in the adjacent lung ... high-resolution chest CT
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Syndrome – ARDS: Clinical ... injury, leading ... be detected on CT ... or CXR ● PaO2/ ... Summary #CheatSheet #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... seen • Chest CT ... westermani • Other: TB ... #Abscess #pulmonary