7 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... , seasonal hay fever ... antigen, leading to complement ... Complement activation ... #Types #Classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... peanuts), Hay fever ... conjunctivitis Type ... Graves' Disease Type ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
of hypersensitivity ... Anaphylaxis, Hay fever ... antigens, leading to complement ... they activate complement ... allergy #table #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Types: • Type ... • Type III Often ... • Low serum C4 complement ... vasculitis • Hypersensitivity ... #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement ... #rheumatology #classification
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Differential Diagnosis Algorithm ... Bacteremia/Septic Shock ... Periodontal Disease Complement ... Infection #Fever
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... anti-Smith Ab, low complements ... Skin Disease Classification ... Kikuchi disease • Type-I ... to: Arthritis, Fever