14 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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
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
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
infection; alveolar interstitial ... patients with pulmonary ... fibrosis Elena ... Lung #ultrasound #POCUS ... #Diagnosis #Signs
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 ... lung disease/pulmonary ... fibrosis (mechanism ... #signs #symptoms
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
interstitium and ... infiltrates on chest ... • Signs/Symptoms ... scattered crackles, chest ... • Signs/Symptoms
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