15 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
on Chest CT 1. ... ARDS 3. ... Organizing Pneumonia ... #ChestCT #radiology ... #CTChest #diagnosis
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... patterns. ... #Lung #Infections ... ComputedTomography #Differential ... #Diagnosis #Chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... On a Chest X-Ray ... detected on a chest ... in many cases UIP ... #Diagnosis #Radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... #Chest #Radiology ... CXR #clinical #CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... HiRes #HighRes #Chest ... #CT #Patterns # ... Differential #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... disease: Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... treatment until the chest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... failure, COPD, Lung ... CXR +/- High res CT ... chest scan), CBC ... HIVAIDS #workup #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Pneumonia and ... Hypoxia #hypoxemia #differential ... #diagnosis
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... confirmed with chest ... CT angiography.