15 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
of Glomerular Bleeding ... basement membrane disease ... • Signs of glomerular ... RBC casts → Diagnostic ... disease Renal
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
kidney injury (AKI ... Renal causes of ... vascular supply; glomerular ... and interstitial disease ... GBM, Glomerular
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
red - cells Non-glomerular ... Dysmorphic red cells - Glomerular ... disease, but can ... Diagnostic of glomerular ... renal disease
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
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
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Intrinsic renovascular disease ... - TTP/HUS • Glomerular ... disease - Post-infectious ... Tubulointerstitial disease ... tubular necrosis (causes
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
presenting with overt glomerular ... Cytomegalovirus; GBM = glomerular ... cell/white cell casts ... impairment), heart disease ... diagnosis cluster, the diseases
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 ... #diagnosis #renal
Renal Biopsy - Absolute and Relative Contraindications
WHEN NOT TO DO IT:
 • Isolated glomerular hematuria, unless
: • Isolated glomerular ... or systemic disease ... Multiple, bilateral cysts ... Contraindications #management ... #nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... injury), Coags ... , RBC casts, low ... hypercellular glomeruli