1192 results
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
lung as nodules Hypersensitivity ... - Immunologic (hypersensitivity ... reaction to inhaled antigen ... Lung #Diseases #ILD
Exposure Related ILD

 • Hypersensitivity pneumonitis
 • Pneumoconioses 
 • Radiation pneumonitis
 • Medication-induced ILD

Andrew Sanchez
Exposure Related ILD ... • Hypersensitivity ... Medication-induced ILD ... Exposure #Related #ILD
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... lgE - Soluble antigen ... IgM - Cell-bound antigen ... Type Ill - IgG and ... sclerosis #Hypersensitivity
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Lung Diseases (ILD ... Exposure-Related ILD ... alveolitis): • Hypersensitivity ... ILD caused by inhalation ... Methotrexate ILD
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Summary Type I Hypersensitivity ... Disease Type III Hypersensitivity ... Immunological Target: Antigen-Ab ... poison ivy) #Hypersensitivity
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mediators: lgE - Antigen ... Form: Soluble antigen ... complex - Antigen ... Graft rejection #hypersensitivity
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Asbestosis, Silicosis, Hypersensitivity ... BrighamChiefs #ILD
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
diagnosis of chronic hypersensitivity ... cHP = chronic hypersensitivity ... #hypersensitivity ... algorithm #HP #ILD
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Centrilobular: Hypersensitivity ... Pneumonitis, RB-ILD
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... Anemia) Type Ill ... happypillsrx/ #hypersensitivity