13 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... disease • Granular casts ... #nephrology #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... compounds (e.g. heme, bilirubin ... #Urine #Microscopy ... interpretation #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Diagnosis Framework ... hematuria: - RBC casts ... #Hematuria #Differential ... #Diagnosis #causes
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Bilirubin. ... Microscopic exam ... • Crystals ... • Urinary casts ... #UNa #casts #glucosuria
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... , crystals, protein
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... Diagnosis Algorithm ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... , urine microscopy ... osmolarity If cause ... , haptoglobin, bilirubin ... #causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Diagnosis Algorithm ... Epithelial cell casts ... myeloma) • Urate crystals ... polyangiitis /microscopic
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 ... 34t5DgJ #Urinary #Casts ... Microscopy #Diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential ... blood cells on urine ... microscopy. ... RBCs and/or RBC casts