11 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
cellular antigen, leading ... to complement activation ... Complement activation ... #Classification ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... cell antigens, leading ... to complement activation ... #allergy #table ... #classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... degranulation, leading ... reaction • Type ... immune reaction, leading ... #Types #Classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
immune system, leading ... Types: • Type ... • Low serum C4 complement ... • Vasculitis ... #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #rheumatology #classification
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Classification ... • Most common type ... Hemorrhagic → leading ... #Types #diagnosis ... warm #wet #dry #table
Classification of Gastritis
Non-atrophic: Helicobacter pylori
Atrophic
 • Autoimmune: Autoimmunity
 • Multifocal atrophic: H. pylori, environmental insults
Special forms
Classification of ... granulomatosis and other vasculitides ... , other allergies ... ) #Gastritis #Classification ... gastroenterology #types
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... ANCA-associated vasculitis ... Kikuchi disease • Type-I ... RNP antibodies, Complement
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
• Pancreas: Type ... aortitis, mimics vasculitis ... - ↑ IgE, ↓ complement ... • Classification
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
form of delayed-type ... of necrotizing vasculitis ... to have a "wood-grain ... Erythemas #comparison #table