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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... consolidations Interstitial ... - Reticular interstitial ... mass - Solitary Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... combinations of fibrosis ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... IdiopathicInterstitialPneumonia #ILD
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Intracardiac, Pulmonary ... Lung Disease, Interstitial ... Fibrosis, Interstitial
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Lymphangitic Carcinoma, Interstitial ... Honeycombing: Idiopathic Pulmonary ... HiRes #HighRes #Chest ... Differential #Diagnosis #pulmonary
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
UIP) pattern on Chest ... UIP Idiopathic pulmonary ... fibrosis = idiopathic ... Pneumonia #UIP #IPF #ChestCT ... #radiology #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Thickening/Masses Chest ... • Neoplasm Pulmonary ... 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
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Total Anomalous Pulmonary ... Classification • Pathophysiology ... Diagnosis • Chest ... Pre-Operative Management ... Total #Anomalous #Pulmonary
Truncus Arteriosus
 • Basic Information
 • Embryology
 • Associated anomalies
 • Pathophysiology/Presentation
 • Pre-operative management
 •
anomalies • Pathophysiology ... Pre-operative management ... Classification • Classic Chest ... Cardiomegaly, increased pulmonary ... Outcomes • Post-op management
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... pneumonia • Water: pulmonary ... atelectasis • Lung fibrosis ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest