49 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Annotated on Chest ... lobes #Segments #Chest ... #CT #CTChest #pulmonary ... clinical #radiology #Anatomy
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Pneumothorax, Alveolar ... Process - Anatomic ... Edema, Alveolar ... #Differential #Diagnosis
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Diagnosis Framework ... - Tamponade Pulmonary ... Pleuritis • Alveoli ... : - CHF - Pneumonia ... #Differential #Diagnosis
Normal Hilar Anatomy on Chest X-Ray
The hilum is 95% vessels and while it is not important
Normal Hilar Anatomy ... on Chest X-Ray ... branches and the pulmonary ... intermedius LPA - left Pulmonary ... drdevrad #Hilar #Anatomy
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... Cardiogenic pulmonary ... Clinical #Radiology #Pulmonary ... #CTChest #LymphangiticCarcinomatosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Interstitium • ILD • CHF ... #Differential #Diagnosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Filling of the alveolar ... interstitium or alveolar ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Weakness, Loss of Chest ... Left Shunt - Anatomic ... #AA #Gradient #alveolar ... #differential #diagnosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
- Alveolar proteinosis ... Others: - Pulmonary ... abnormalities (Pulmonary ... infarction/PE, CHF ... NonResolving #Pneumonia #diagnosis
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... The diagnosis based ... was cardiogenic pulmonary ... Clinical #Radiology #CTChest ... SeptalThickening #CHF