77 results
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... #Reaction #Classification ... #Types #allergy ... #diagnosis
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... conjunctivitis Type ... Graves' Disease Type ... #Types #Classification ... #Diagnosis #Definitions
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Diagnosis and Treatment ... Types of Angioedema ... cell-mediated in > 90% of cases ... #Types #Diagnosis
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... (Anaphylaxis) Type ... #Classification ... #Allergy #Diagnosis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis ... #Dermatology #SkinRash
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... #Classification ... Pathophysiology #Allergy ... #Diagnosis #Reactions
Cryoglobulinemia Classification Types

Type 1: Monoclonal IgM (rarely IgG/lgA)
 • Raynaud phenomenon, Digital ulcers/gangrene, Livedo reticularis, Hyperviscosity
Cryoglobulinemia Classification ... Types Type 1 ... Cryoglobulinemia #Classification ... #Types #hematology ... #diagnosis
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... cell surfaces causes ... causes development ... #Types #Classification ... #Diagnosis #Definitions
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... #allergy #table ... #classification
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes