8 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... antigen, leading to complement ... Complement activation ... Post-streptococcal glomerulonephritis ... , and systemic lupus
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... conjunctivitis Type ... Graves' Disease Type ... • Ex: Systemic Lupus ... Post-infectious glomerulonephritis
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
of hypersensitivity ... antigens, leading to complement ... they activate complement ... Post-streptococcal glomerulonephritis ... , Systemic lupus
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... : • Systemic Lupus ... Post-infectious glomerulonephritis ... sickness #TypeIII #Type3
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... staining): • Low Complement ... Post-strep GN, Lupus ... Idiopathic • Normal Complement ... differential #diagnosis #algorithm
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
, type 1 (50%-80% ... ), type II (80-90% ... Post/pauci immune glomerulonephritis ... S - Systemic Lupus ... Hypocomplementemia #Low #Complement
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... Types: • Type ... • Low serum C4 complement ... vasculitis • Hypersensitivity ... (e.g. systemic lupus
Comprehensive pathogenesis of IgA Nephropathy (i.e Berger’s Disease). 

IgA Nephropathy is the most common cause of
common cause of Glomerulonephritis ... - What type of Hypersensitivity ... Relationship of complement ... AcuteGlomerulonephritis #Glomerulonephritis ... PediatricNephrology #Hypersensitivity