21 results
Chest XRay Interstitial Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Interstitial #Pattern #Differential #Algorithm #RadiologyAssistant
Chest XRay Interstitial ... Pattern - Differential ... Algorithm #Diagnosis ... Pulmonary #CXR #Interstitial ... #Pattern #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... On a Chest X-Ray ... detected on a chest ... #Pattern #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... . fibrosis). ... in ground glass pattern ... Radiology #Pulmonary #CTChest ... #GroundGlass #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... HiRes #HighRes #Chest ... #CT #Patterns #
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Pericarditis) -> Chest ... Dyspnea, pleuritic chest ... tends to cause interstitial ... fibrosis (mechanism ... pathophysiology #signs
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... fluid, fibrous ... cells results in a pattern ... lung disease, it ... Kerley B lines on chest
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Defect: Pulmonary Fibrosis ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
atelectasis • Lung ... fibrosis RR ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Hypoxemia #Hypoxia #differential
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
and non-specific interstitial ... or NSIP pattern ... consider drug-related lung ... disease in the differential ... Clinical #Radiology #CTChest