12 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
complexes • Ex: Systemic ... Lupus Erythematosus ... Syndrome, Contact Dermatitis ... Reactions #Types #Classification ... #Diagnosis #Definitions
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Algorithm Vesicles ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... Algorithm Eczematous ... anyone - Allergic ... #Eczematous #SkinRash ... #Algorithm #causes
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Inflammatory • Systemic ... Lupus Erythematosus ... Splenomegaly #Spleen #Enlarged ... #Algorithm #Causes ... #Hematology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... lupus erythematosus ... - Contact dermatitis ... #Types #Classification ... #Diagnosis #Reactions
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Systemic ... Lupus Erythematosus ... • Acne • Allergy ... #Algorithm #Causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... glomerulonephritis, Systemic ... lupus erythematosus ... Examples: Contact dermatitis ... #table #classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... vasculitis - hypersensitivity ... lupus erythematosus ... #Rheumatology # ... Diagnosis
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Destruction • Systemic ... Lupus Erythematosus ... #Algorithm #Causes ... #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... vasculitis • Hypersensitivity ... lupus erythematosus ... #types #classification ... #rheumatology #