2922 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... Kidney: Anti-GBM Glomerulonephritis
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Membranoproliferative glomerulonephritis ... Post/pauci immune glomerulonephritis ... Hypocomplementemia #Low #Complement
Comprehensive pathogenesis of IgA Nephropathy (i.e Berger’s Disease). 

IgA Nephropathy is the most common cause of
the most common cause ... of Glomerulonephritis ... Relationship of complement ... AcuteGlomerulonephritis #Glomerulonephritis
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... antigens, leading to complement ... they activate complement ... Post-streptococcal glomerulonephritis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Necrotizing glomerulonephritis ... , pauci-immune glomerulonephritis ... tract, and often causes ... arthritis. (± glomerulonephritis ... against MPO • Complement
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Skin ulcers - Glomerulonephritis ... Cryoglobulins Cause ... • Low serum C4 complement
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
or alternative complement ... infections are common causes ... workup #diagnosis #glomerulonephritis
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Membranoproliferative Glomerulonephritis ... dysmorphic RBC, RBC casts ... staining (lg + complement ... MGPN • Complement ... Membranoproliferative #Glomerulonephritis
Spectrum of Glomerulonephritis 
Pathology - Common Diseases - Typical Presentation 

By Dr. John Roberts @John_K_Roberts

#Glomerulonephritis #Spectrum
Spectrum of Glomerulonephritis ... John_K_Roberts #Glomerulonephritis ... Diagnosis #Nephrology #Causes
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Glomerulonephritis ... Medicine @SCVMCMed #Glomerulonephritis ... diagnosis #nephrology #causes