11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... Polysaccharide cell wall component ... BAL GM does not differentiate ... Clav (may be + as long ... Galactomannan #diagnosis #comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
disease: Pleuritic chest ... level seen • Chest ... Prevotella • Fungal ... Abscess Differential ... Abscess #pulmonary #differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Infectious (Variable) - Fungal ... #Eosinophilic #Lung ... Diseases #pulmonary #differential ... #diagnosis #comparison
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.kansasii, MAC) Fungal ... > 200: Endemic fungi ... failure, COPD, Lung ... /- High res CT chest ... diagnosis #evaluation #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Pseudomonas FUNGAL ... • Pleuritic chest ... AIDS #pulmonary #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... inhalational injury Differential ... - Endemic fungi ... #Radiology #differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... the surrounding lung ... Diagnosis #Radiology #CTChest ... Cyst #Emphysema #Comparison
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Whipple disease Fungal ... Breast Leukemia Lung ... esophageal perforation. chest ... injury Blunt chest ... #Pericarditis #Differential
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1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
• Cell wall component ... of many fungi ... in BAL does not differentiate ... result in + as long ... closely related fungi