18 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
destauration Sites ... Oxygen therapy - Pulmonary ... peripheral utilization Sites ... Central #Peripheral #Comparison ... #Signs #Symptoms
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... /Chest Wall: • ... Pleural effusion, Pulmonary ... process • Chronic: Ascites
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... Infarction and Pulmonary ... it difficult to differentiate ... #Pericarditis #Symptoms ... #Presentation #comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
is frequent • Symptoms ... Dyspnea, Wheeze, Chest ... pack years • Symptoms ... #Asthma #COPD #comparison ... #Diagnosis #pulmonary
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Cyanosis without Pulmonary ... Symptoms • Sleep ... Apnea • Chronic Pulmonary ... Erythrocytosis #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... #Comparison #Table
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... underarms, or chest ... involvement Differential ... #NonHodgkins #comparison ... oncology #diagnosis #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... Other tests: • CT chest ... or serologies + symptoms ... typically seen on chest ... Renal #Syndromes #differential
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... #CTChest #LymphangiticCarcinomatosis ... Carcinomatosis #Mimic #Differential ... #Comparison #Table