8 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... conjunctivitis Type ... • Ex: Systemic Lupus ... Stevens-Johnson Syndrome ... , Contact Dermatitis
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... Allergic reaction ... Stevens-Johnson Syndrome ... • Contact Dermatitis ... ivy) #TypeIV #Type4
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... , and systemic lupus ... - Contact dermatitis ... Pathophysiology #Allergy
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... ) • Nummular Dermatits ... anyone - Allergic ... #Eczematous #SkinRash ... Differential #Diagnosis #Algorithm
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... glomerulonephritis, Systemic lupus ... Examples: Contact dermatitis ... #allergy #table ... classification #comparison
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... • Contact dermatitis ... pemphigoid • Dermatitis ... Bullous systemic lupus ... Vesiculobullous #SkinRash
Penicillin Allergy Pathway for Antibiotic Prescription in Patients With Penicillin Allergy
Mild Reaction - Itching, Minor rash
Use carbapenem Type ... Type II-IV HSR ... Stevens-Johnson syndrome ... systemic symptoms syndrome ... #Prescription #algorithm
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... such as certain types ... - Allergic contact ... dermatitis - Cellulitis ... - Lupus - Leukemia