7 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... - Local and systemic ... Complement activation ... lupus erythematosus ... #Types #Classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... conjunctivitis Type ... complexes • Ex: Systemic ... Lupus Erythematosus ... #Classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • Low serum C4 complement ... • Hypersensitivity ... lupus erythematosus ... #classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... central nervous system ... - hypersensitivity ... disease - systemic ... lupus erythematosus
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
of hypersensitivity ... they activate complement ... glomerulonephritis, Systemic ... lupus erythematosus ... allergy #table #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... central nervous system ... lupus erythematosus ... against MPO • Complement ... #rheumatology #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... anti-Smith Ab, low complements ... Skin Disease Classification ... Kikuchi disease • Type-I ... RNP antibodies, Complement