39 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
allergens and induce mast ... leading to an allergic ... Sensitization" to Allergen ... as potentially ... #Immunology #pathophysiology
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... of allergen-specific ... Allergic reaction ... Initial exposure to allergen ... HypersensitivityReaction #Allergy
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Angioedema: • Acute allergic ... exposure • Non-allergic ... or avoiding the allergen ... Treatment #management #allergy
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
allergens and activate mast ... leading to an allergic ... leading to an allergic ... An allergic reaction ... #Types #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... #Pathophysiology ... #Allergy #Diagnosis ... #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... reactions #types #allergy ... #table #classification
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Allergic Rhinitis ... Allergy Sensitization ... macrophages, HLA class ... Tissue edema #Allergic ... Rhinitis #Rhinorrhea #pathophysiology
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
interaction of the allergen ... the surface of mast ... The mast cells then ... mucus production allergic ... immunopathogenesis #Pathophysiology
Causes of Angioedema: Differential Diagnosis Framework
Mast-cell mediated:
 • IgE dependent allergic reactions: Food, Drugs, Latex, Stings
Causes of Angioedema ... IgE dependent allergic ... Stings • Direct mast ... Differential #Diagnosis #Causes ... #allergy
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
gonorrhoeae, Viral, Allergic ... Differential #Diagnosis #table ... #causes #ophthalmology