45 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... casts - Any type ... #Atlas #key #diagnosis ... #nephrology #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... CastsHyaline ... colored compounds (e.g ... #nephrology #interpretation ... #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... require urgent nephrology ... Nephrotoxic drugs (e.g ... for WBCs, RBCs, casts ... #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... heme-granular casts ... edgarvlermamd - Nephrology ... Microscopy #Diagnosis ... #Nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... • Hypertonic saline ... Polyuria scheme) e.g ... Hypernatremia #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... Protein deposition (eg ... #Proteinuria #Nephrology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... • Infection (e.g ... Brain lesions (e.g ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... slide with a cover ... under lower power (casts ... #Instructions #nephrology ... #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria: - RBC casts ... #Hematuria #Differential ... #Diagnosis #causes ... #urology #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... Diagnosis HEMODYNAMIC ... vasoconstriction (e.g ... AIN) • Drugs (e.g ... #Diagnosis #nephrology