36 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... reactionType ... reactionType ... reactionType ... An allergic reaction
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
reactions Type ... (Anaphylaxis) Type ... Days to Weeks (Rash ... hypersensitivity #reactions ... #Allergy #Diagnosis
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Type I Hypersensitivity ... Antibodies that bind ... reaction. ... complexes bind ... Anaphylaxis #TypeI
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... mediated, delayed-type ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology ... #Rash #Skin
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... lgM antibodies bind ... #types #allergy
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... causes development ... of allergen-specific ... Allergic reaction ... ivy) #TypeIV #Type4
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 ... Pathophysiology #Allergy ... #Diagnosis #Reactions
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
and Treatment Types ... exposure • Non-allergic ... drug reaction - ... cell-mediated in > 90% of cases ... Classification #Types
Penicillin Allergy Pathway for Antibiotic Prescription in Patients With Penicillin Allergy
Mild Reaction - Itching, Minor rash
Mild Reaction ... Itching, Minor rash ... Maculopapular rash ... (mild type IV HSR ... urticaria OR Unknown reaction
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Bullous impetigo - Reaction ... diabeticorum) - Reaction ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes