11 results
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... • Fanconi's syndrome ... polyangiitis (GPA) / microscopic ... Protein deposition (eg ... #Nephrology #Differential
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Nephritic syndrome—due ... RBC casts in urine ... Proteinuria often ... May be 10 (eg direct ... #Nephrology #Diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... infection • Hyaline ... #Microscopy #Atlas ... #key #diagnosis ... #nephrology #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... disease - Alport syndrome ... pain hematuria syndrome ... - RBC casts → Diagnostic ... - Proteinuria
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome ... Diagnosis • ↑ ... liver disease (e.g ... (including no proteinuria ... #nephrology #criteria
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... Acellular Casts • Hyaline ... colored compounds (e.g ... #Microscopy #nephrology ... interpretation #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Associations Hyaline ... and concentrated urine ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA (microscopic ... • Renal: (AKI, proteinuria ... Anti-GBM antibody • Urine ... : UA, Urine protein ... recent DAN) • EMG
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
: • Nephrotic syndrome ... • Proteinuria ... dissociation in urine ... Carpal tunnel syndrome ... polarized light microscopy
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
cellular casts, proteinuria ... properly collected urine ... dipstick testing alone ... #diagnosis #management ... #urology