21 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
complexes • Ex: Systemic ... Lupus Erythematosus ... Syndrome, Contact Dermatitis ... #Types #Classification ... #Diagnosis #Definitions
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... systemic lupus ... erythematosus Type ... #Classification ... #Diagnosis #Reactions
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... central nervous system ... lupus erythematosus ... #Diagnosis #Rheumatology ... #Diagnosis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... Algorithm Eczematous ... papules and vesicles ... anyone - Allergic ... #Eczematous #SkinRash
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
, Drug allergies ... glomerulonephritis, Systemic ... lupus erythematosus ... Examples: Contact dermatitis ... #classification
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... Algorithm Vesicles ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic ... Lupus Erythematosus ... #Lupus #Erythematosus ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Skin Disease Classification ... lupus erythematosus ... #Lupus #Erythematosus ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Labs/Diagnosis: ... lupus erythematosus ... #types #classification ... #rheumatology #
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... Algorithm Reactive ... • Systemic ... Lupus Erythematosus ... • Acne • Allergy