9 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... combinations of fibrosis ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... #ILD #Findings
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
pattern on Chest ... UIP Idiopathic pulmonary ... fibrosis = idiopathic ... #IPF #ChestCT # ... radiology #pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Lymphangitic Carcinoma, Interstitial ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... HiRes #HighRes #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 ... Atelectasis, ARDS, Pneumonia ... Lung Disease, Interstitial ... Fibrosis, Interstitial
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Thickening/Masses Chest ... Alveoli • Pneumonia ... Interstitium ... • ILD • CHF ... Vessels • Pulmonary
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 ... lung disease/pulmonary ... fibrosis (mechanism
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
(e.g., chronic interstitial ... Pleuritic chest ... Most commonly: Interstitial ... Exclusion of other ILDs ... reticular opacities on chest
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
features of COVID-19 pneumonia ... infection; alveolar interstitial ... fibrosis #COVID19 ... #pneumonia #ChestCT ... #Ultrasound #POCUS
Bronchoalveolar Lavage (BAL) on Bronchoscopy 
BRONCHOALVEOLAR LAVAGE is a technique used in bronchoscopy for several diagnostic
concern (guided by chest ... — Eosinophilic Pneumonia ... often not helpful) Interstitial ... Lung Diseases (ILDs ... clinical #video #pulmonary