30 results
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... • Acute allergic ... exposure • Non-allergic ... or avoiding the allergen ... Treatment #management #allergy
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... Antibodies that bind ... complexes bind ... Anaphylaxis #TypeI ... #Type1 #HypersensitivityReaction
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... delayed reaction #Allergic ... #Reaction #Classification ... #Types #allergy
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Hypersensitivity #Allergy ... #Allergic #Reactions ... #Types #Classification
There are 2 Major Types of Angioedema:
 - Mast cell / histamine mediated – usually presents
There are 2 Major Types ... AND allergic symptoms ... presents WITHOUT allergic ... #Classification ... #Types #Bradykinin
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... leading to an allergic ... cell surfaces causes ... causes development ... #Types #Classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... Initial exposure to allergen
Causes of Angioedema: Differential Diagnosis Framework
Mast-cell mediated:
 • IgE dependent allergic reactions: Food, Drugs, Latex, Stings
Causes of Angioedema ... IgE dependent allergic ... NSAlDs, Aspirin Bradykinin ... Differential #Diagnosis #Causes ... #allergy
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... lgE antibodies bind ... When the specific allergen ... #Classification ... Pathophysiology #Allergy
Angioedema - Diagnostic Algorithm

#Diagnosis #Allergy #Angioedema #Hereditary #Acquired #C1Inhibitor #Bradykinin #Algorithm
Angioedema - Diagnostic ... #Diagnosis #Allergy ... #Angioedema #Hereditary ... #C1Inhibitor #Bradykinin