12 results
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
abnormalities of selected glomerular ... (IM) - Electron ... Microscopy (EM) ... Amyloid RPGN • Anti-GBM ... #diseases #nephrology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
with evidence of glomerular ... disease (hematuria ... , proteinuria) ... post-infectious GN Anti-Glomerular ... Differential #Diagnosis #Nephrology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
cells on urine microscopy ... disease • ... wall) • Anti-GBM ... • Pauci-immune disease ... nephrotic range) proteinuria
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
• Drugs Glomerular ... proliferative • Anti-GBM ... polyangiitis (GPA) / microscopic ... Minimal change disease ... #Nephrology #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
polyangiitis, Microscopic ... sclerosis • Anti-Glomerular ... • Urinalysis (proteinuria ... ab, anti-GBM ab ... differential #diagnosis #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Acute Kidney Injury ... • Vascular • Glomerular ... Immune-complex disease ... , Anti-GBM • Tubular ... Differential #Diagnosis #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Immune mediated injury ... basement membrane disease ... Brown urine - Proteinuria ... disease Renal ... causes #urology #nephrology
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
Anti-GIomeruIar ... directed against the glomerular ... Diagnosis: • Anti-GBM ... weeks By Tess Litchman ... AntiGBM #diagnosis #nephrology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
RBC casts, +/- proteinuria ... formation along glomerular ... (Dense deposit disease ... microangiopathy (TMA), anti-phospholipid ... Glomerulonephritis #MPGN #nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... quantify renal injury ... ANCA antibody, Anti-GBM ... usually low in anti-GBM ... hypercellular glomeruli