10 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... Dermatitis - ... , delayed-type hypersensitivity ... #Contact #Dermatitis ... #Allergic #Allergy
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... mediated; exposure to allergen ... Allergic reaction ... Syndrome • Contact Dermatitis ... #Immunology #pathophysiology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity ... Immunological Target: Allergen ... fever, Urticaria, Allergic ... Syndrome, Contact Dermatitis ... #Allergy #Allergic
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... #Immunology #pathophysiology
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... Soluble antigen - Allergen-specific ... When the specific allergen ... - Contact dermatitis ... sclerosis #Hypersensitivity
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mechanism of Action: Allergen-specific ... Examples: Contact dermatitis ... Graft rejection #hypersensitivity ... reactions #types #allergy
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Type II Hypersensitivity ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
pearls about atopic dermatitis ... Atopic Dermatitis ... D, Galloway G, Murray ... Allergy. 2018;73 ... J Allergy Clin Immunol
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Secondary Causes: - Allergic ... disorders - Drug hypersensitivity ... Malignancy - Immunologic