21 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... - Diagnostic of ... #Microscopy #Atlas ... #key #diagnosis
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... Casts • Hyaline ... #Urine #Microscopy ... interpretation #diagnosis
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... 1) Spin fresh urine ... under lower power (casts ... iMedEducation #Urine ... #nephrology #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... hematuria: - RBC casts ... → Diagnostic of ... #Differential #Diagnosis ... #causes #urology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... proteinuria, RBC casts ... and referral to Urology ... uw_IMresidency #Hematuria #Diagnosis ... Algorithm #Workup #urology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... heme-granular casts ... #Differential #Microscopy ... #Diagnosis #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... Proteinuria (Negative urine ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... #Differential #Diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential Diagnosis ... blood cells on urine ... microscopy. ... RBCs and/or RBC casts ... #Differential #Diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... dipstick, urine ... microscopy / urinary ... , HIV serology, ... #Differential #Diagnosis
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 ... you confirmed diagnosis ... Assess UA w/ microscopy ... for WBCs, RBCs, casts