19 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... Consolidation 7. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #CTChest #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... between these chest ... Lobar pneumonia ... Organizing pneumonia ... #Clinical #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain ... Infections #HIV #AIDS
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... Sarcoma • Focal Consolidation ... Pyogenic bacterial pneumonia ... #differential #diagnosis ... #chestCT #radiology
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... Aspergillosis CONSOLIDATION ... #CT #Patterns #Pulmonary ... #Differential #Diagnosis ... #Chest
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Dyspnea+, Pleuritic Chest ... - Peripheral Consolidations ... AKA "inverse pulmonary ... #diagnosis #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Artery Disease • Stable ... Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Embolism (chest ... Hypertension - Chest ... Parenchymal • Pneumonia
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Hemorrhage, Edema • Consolidation ... HiRes #HighRes #Chest ... #pulmonary #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... aspergillosis; AIS ... lesions, lobular consolidation ... patients with acquired ... #Diagnosis #Pulmonary