8 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
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 ... #differential #hematology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Rapidly Progressive Glomerulonephritis ... IgA nephropathy, lupus ... post-infectious GN ... autoAb against type ... staining #Glomerulonephritis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity Types ... Their Mechanisms Type ... Post-streptococcal glomerulonephritis ... , and systemic lupus ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Type 1 - Mediators ... Post-streptococcal glomerulonephritis ... , Systemic lupus ... #allergy #table
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... Types: • Type ... • Type III Often ... (e.g. systemic lupus ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... - Necrotizing glomerulonephritis ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis #rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
IV RTA, TYPE I ... nephritis • Distal (Type ... acidosis • NAGMA • Glomerulonephritis ... Membranoproliferative GN ... Sjogrens #Syndrome #Rheumatology