81 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
to an allergic ... cell surfaces causes ... to an allergic ... 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
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema: • Acute allergic ... exposure • Non-allergic ... cell-mediated in > 90% of cases ... or avoiding the allergen ... Treatment #management #allergy
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... cellular antigen, leading ... Hypersensitivity #Types #Classification ... Pathophysiology #Allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... cell antigens, leading ... reactions #types #allergy ... #table #classification
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... infection - Allergic ... disease Rare causes ... + T cells) - Allergic ... Differential #Diagnosis #Causes
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... Incidence : 17-52 cases ... inhabitants 3rd leading ... retinal ischemia Causes ... TerrierBen #Uveitis #Causes
Assessment of the Child with Chronic Asthma
Are there other allergic disorders?
 - Allergic rhinitis
 - Eczema,
Are there other allergic ... - Allergic rhinitis ... Other causes should ... triggers: - Allergic
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... Glucocorticoids Pugs (Allergies ... ): - Allergic ... Rhinitis - Allergic ... Differential #Diagnosis #Causes
Assessment of the Child with Eczema
Distribution of atopic eczema - The distribution of eczema tends to
Causes of exacerbation ... Ingestion of an allergen ... an irritant or allergen ... - What causes exacerbation ... Problems from other allergic