15 results
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Glomerular Diseases ... RBC casts in urine ... but in severe cases ... diabetes)) #Glomerular ... #Diseases #Nephritic
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
red - cells Non-glomerular ... Dysmorphic red cells - Glomerular ... disease, but can ... glomerular disease ... renal disease
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
kidney injury (AKI ... vascular supply; glomerular ... and interstitial disease ... GBM, Glomerular ... #Acute #Kidney #
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... - TTP/HUS • Glomerular ... disease - Post-infectious ... Tubulointerstitial disease ... #Kidney #Injury
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Acute Kidney Injury ... INTRINSIC: - Glomerular ... tubular cell casts ... or pigmented casts ... #Kidney #Injury
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
• Calculi Glomerular ... RBCs and/or RBC casts ... epithelial side of glomerular ... • Thin GBM disease ... • Pauci-immune disease
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
or dipstick) Glomerular ... of Glomerular Bleeding ... basement membrane disease ... : - RBC casts ... disease Renal
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... Disease Associations ... breakdown of cellular casts ... heme-granular casts ... disease Red blood
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
Causes of Hematuria ... Renal: - Glomerular ... - Interstitial nephritis ... Medullary sponge kidney ... necrosis, Sickle cell disease
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
GN • Active Urine ... dysmorphic RBC, RBC casts ... formation along glomerular ... (Dense deposit disease ... #renal