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Renal Involvement in Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#Renal #diseases #SLE #Systemic #Lupus #Erythematosus #venn #nephrology
Lupus Erythematosus ... Lupusreference #Renal #diseases ... #SLE #Systemic ... #nephritis #classification ... #types #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Decade Skin Disease ... diseases (i.e. ... #Systemic #Lupus ... #Diagnosis #Rheumatology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Gravis, Graves' Disease ... complexes • Ex: Systemic ... Lupus Erythematosus ... #Types #Classification ... #Diagnosis #Definitions
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Mnemonic C - Cryoglobulinemia ... Chain deposition disease ... Lupus Erythematosus ... CHAMPS #Mnemonic #diagnosis ... #differential #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... : - 10% SLE or ... lupus erythematosus ... #types #classification ... #rheumatology #
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... lupus erythematosus ... - Contact dermatitis ... #Classification ... #Reactions #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... Diagnosis: Systemic ... rheumatic diseases ... lupus erythematosus ... #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... nephritis, cryoglobulinemia ... autoAb against type ... #Differential # ... Diagnosis #Nephrology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... rheumatic diseases ... disease, drug reactions ... most important diseases ... #Diagnosis #Rheumatology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Tubulointerstitial diseases ... : syßtemic lupus ... Chronic kidney disease ... Chronic kidney disease ... End-stage renal disease