11 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... Complement: Post-strep GN ... , Lupus Nephritis ... Kidney: Anti-GBM Glomerulonephritis ... diagnosis #algorithm #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
IgA nephropathy, lupus ... nephritis, cryoglobulinemia ... post-infectious GN ... autoAb against type ... #RPGN #Classification
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
autoimmune (RA, Sjogren's ... , type 1 (50%-80% ... S - Systemic Lupus ... Ann Marie Kumfer ... #differential #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... Skin Disease Classification ... dermatomyositis, Sjogren ... Non-autoimmune rheumatologic ... Kikuchi disease • Type-I
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
lupus nephritis ... and Sjogren Anti-SSB ... and neonatal lupus ... erythematosus #diagnosis #rheumatology ... #table #ANA
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... RA - 5 to 20% Sjögren's ... (e.g. systemic lupus ... #classification ... #rheumatology #
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Type Ill - IgG and ... Post-streptococcal glomerulonephritis ... systemic lupus ... #Classification ... Diagnosis #Reactions #Table
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... - systemic lupus ... purpura-arthralgia-nephritis ... disease - Sjögren ... Vessels #Diagnosis #Rheumatology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Post-streptococcal glomerulonephritis ... , Systemic lupus ... #allergy #table ... #classification
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Sjogren's Syndrome ... • Interstitial nephritis ... acidosis • NAGMA • Glomerulonephritis ... Membranoproliferative GN ... #Syndrome #Rheumatology