Nephritic syndrome

Definition

• Rising creatinine
• Hypertension
• Active urine sediment

Differential Diagnosis

• Proliferative glomerulonephritis
  • Focal proliferative
    • Primary
    • IgA nephropathy
    • Lupus
  • Membranoproliferative (MPGN)
    • Primary
    • Transplant rejection
    • Hepatitis B or C
  • Diffuse proliferative
    • Primary
    • Lupus
    • Post-infectious glomerulonephritis (PSGN)
    • Essential mixed cryoglobulinemia
  • Crescenteric/rapidly-progressive (RPGN)
    • Primary
    • Linear
    • Immune-complex
    • Pauci-immune