15 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
Diagnosis: Latent ... skin test (TST) ... and Culture • CXR ... disease • Check 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
Diagnosis: Latent ... skin test (TST) ... and Culture • CXR ... disease • Check CXR ... #TB #Diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... film and can suggest ... the diagnosis in ... abutting the pleura, air-bronchograms ... Clinical #Radiology #CXR
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 ... CT) • Broncho-arterial ... mycobacteria Treatment
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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... lat decubitus - air ... CT Lung Abscess ... westermani • Other: TB ... #Abscess #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... +/- High res CT ... chest scan), CBC ... Fungal, AFB), TB ... HIVAIDS #workup #diagnosis
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
• Look at the CXR ... since a prior CXR ... to the lung or ... to lung or airways ... ChestTube #Drains #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... anti-GBM) Other tests ... : • CT chest to ... sparing of the lung ... #management #treatment
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis