37 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Streptococcus pneumoniae ... Gram-positive diplococci ... Plump gram-positive ... #Diagnosis #Comparison ... #Presentation #Pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Pneumothorax, Alveolar ... ARDS, Diffuse Alveolar ... : Pneumonia, Mucous ... Edema, Alveolar ... Embolism, Emphysema, Positive
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... - Alveolar proteinosis ... Others: - Pulmonary ... infarction/PE, CHF ... #NonResolving #Pneumonia
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
- Tamponade Pulmonary ... Pleuritis • Alveoli ... : - CHF - Pneumonia ... Diagnosis #Causes #Cardiology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
post-obstructive pneumonia ... like organizing pneumonia ... filling of the alveoli ... #Diagnosis #Radiology ... #Pulmonary #CXR
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic pneumonia ... Chronic eosinophilic pneumonia ... Broncho-alveolar ... consolidation #Clinical #Radiology ... HighAttenuation #Pattern #Comparison
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... Cardiogenic pulmonary ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
AlveoliPneumonia ... • Neoplasm Pulmonary ... Interstitium • ILD • CHF ... • Sarcoidosis Pulmonary ... Vessels • Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Interstitial Edema, Alveolar ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... Crazy Paving: Alveolar ... #radiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
alveolar proteinosis ... Pyogenic bacterial pneumonia ... cancer, Organizing pneumonia ... Pyogenic bacterial pneumonia ... diagnosis #chestCT #radiology