23 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... of mb granular casts ... Granular #MuddyBrown #Casts ... #Clinical #Nephrology ... #Sediment
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... /RTE; blend sediment ... #Algorithm #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... #Causes
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... the remaining sediment ... under lower power (casts ... findings are hard to see ... #Instructions #nephrology
Rouleaux in urine sediment - Urine Microscopy
Rouleaux in urine sediment. As the finding in the blood
Microscopy Rouleaux ... in urine sediment ... smears, it is caused ... #Microscopy #clinical ... #nephrology
Calcium Oxalate Crystals on Electron Microscopy
Today’s image shows calcium oxalate crystals in a urinary sediment under
Crystals on Electron Microscopy ... oxalate crystals in ... a urinary sediment ... ElectronMicroscopy #SEM ... #clinical #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
HPF spun urine sediment ... Microscopic ... examination of urine sediment ... hematuria: - RBC casts ... #urology #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Acute increase in ... Epithelial cell casts ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Ammonium Urate Crystals on Urine Microscopy
Very much like a black sea urchin in these particular examples

Dr.
much like a black sea ... urchin in these ... #crystalluria #clinical ... #nephrology #urine ... #microscopy
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
- Urinary Sediment ... esterase • Fill conical ... up by cells or casts ... commonly used in ... protein matrix of casts