21 results
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 ... #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Wall Elasticity (flail ... chest) • Low ... Lung Disease ... Hypoxia #hypoxemia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest
On the left a chest film of a patient with UIP due to IPF.
The findings on
On the left a chest ... findings on the chest ... changes in the basal lung ... reticular densities caused ... Whenever you see a chest
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
Chest Trauma Complications ... Aortic Rupture* Chest ... Fractures • Flail ... Chest* • Diaphragm ... Esophageal Injury Lung
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... lung disease, it ... has a limited differential ... Kerley B lines on chest ... #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... disease: Pleuritic chest ... level seen • Chest ... treatment until the chest ... Abscess Differential
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... Pericarditis) -> Chest ... Dyspnea, pleuritic chest ... inflammation tends to cause ... interstitial lung
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
Lung abnormalities ... mostly present as areas ... solitary or multiple Interstitial ... published soon: Chest ... #Patterns #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... this is nodular interstitial ... lung disease, that ... #RadiologyAssistant