11 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... non-infectious) - Dr ... #Urine #Microscopy ... #nephrology #interpretation
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... are caused by prerenal ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
hematuria: - RBC casts ... • Malignant HTN ... • Cystitis • Bladder ... Renal/Ureter/Bladder ... #urology #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... key #diagnosis #nephrology ... #casts
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... /Cr - Renal/bladder ... AcuteKidneyInjury #AKI #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... are seen in acute ... 34t5DgJ #Urinary #Casts
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
vast majority of cases ... to work through ... Measure urine osmolality ... Dr. ... Treatment #management #nephrology
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
RBC's, cellular casts ... creatinine, or HTN ... properly collected urine ... cystoscopy & renal ultrasound ... diagnosis #management #urology
Colovesical Fistula on Cystoscopy
A 72-year-old woman presented to the urology clinic with a 2-week history of
presented to the urology ... been treated for acute ... revealed an area ... Causes of colovesical ... #urology
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
hepatitis, or acute ... (no casts, protein ... Normal kidney ultrasound ... ATN, volume depletion ... essential in all cases