19 results
Lupus Nephritis Classification Algorithm

#Lupus #Nephritis #Classification #Algorithm #diagnosis #differential #types #rheumatology #nephrology #renal
Lupus Nephritis ... Classification Algorithm ... #Classification ... #Algorithm #diagnosis ... #differential #types
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... , and systemic lupus ... #Classification ... Pathophysiology #Allergy #Diagnosis
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... antigens, leading to complement ... they activate complement ... glomerulonephritis, Systemic lupus ... allergy #table #classification
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... C4 ↓↓ • MCGN type ... C3 ↓ C4 ↓↓ • Cryo ... ThePeanutKidney #Complement ... #differential #diagnosis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic Lupus ... anticoagulant • Complement ... #EULARACR #Classification ... Erythematosus #diagnosis
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
glomerulonephritis, type ... 1 (50%-80%), type ... S - Systemic Lupus ... Hypocomplementemia #Low #Complement ... CHAMPS #Mnemonic #diagnosis
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... conjunctivitis Type ... • Ex: Systemic Lupus ... #Classification ... #Diagnosis #Definitions
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Post-strep GN, Lupus ... Idiopathic • Normal Complement ... #differential #diagnosis ... #algorithm #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... • Low serum C4 complement ... (e.g. systemic lupus ... Cryoglobulins #diagnosis ... #types #classification
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 ... Differential Diagnosis ... Kikuchi disease • Type-I ... Erythematosus #Diagnosis