26 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... chronic kidney diseases ... non-infectious) - Dr ... #Urine #Microscopy ... #nephrology #interpretation
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... sample is not fresh at ... protein indicating acute ... key #diagnosis #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... and concentrated urine ... are seen in acute ... Advanced kidney disease ... #Differential #Microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
basement membrane disease ... hematuria: - RBC casts ... of glomerular disease ... • Malignant HTN ... #nephrology #renal
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 ... disease — 21%
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... to ATN
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Acute Kidney Injury ... Light chain (LC) cast ... LC deposition disease ... Hemorrhagic cystitis -> bladder ... Classification #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... Minimal change disease ... nephropathy • HTN ... #Proteinuria #Nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
cancer) • Urinary bladder ... • Primary GNs: Disease ... to systemic disease ... Injury/Necrosis (ATN ... Differential #Diagnosis #nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
proteinuria as a disease ... Microscopic exam ... • Urinary casts ... Acute Kidney Injury ... (ATN) FE Na >