17 results
Mixed Cellular Casts on Urine Microscopy

Degenerating mixed cellular cast - brightfield, unstained - from patient with
Mixed Cellular Casts ... on Urine Microscopy ... pneumococcal sepsis and AKI ... #clinical #Urine ... #Microscopy
Crystal cast in patient with AKI and TLS on Urine Microscopy

Randy Luciano MD, PhD @RandyLucianoMD

#TLS #Crystal
Crystal cast in ... patient with AKI ... and TLS on Urine ... Microscopy Randy ... #Urine #Microscopy
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... fresh at time of microscopy ... - Some crystals ... #Microscopy #Atlas
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... pain + gross or microscopic ... : - RBC casts ... - Can cause microscopic
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... hematuria, mild ... proteinuria, granular casts
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
cases are caused ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... , crystals, protein ... KidneyInjury #simplified #workup
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Crystals ... • Urinary casts ... Kidney Injury (AKI ... #hematuria
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... Algorithm • Confirm hematuria ... proteinuria, RBC casts ... uw_IMresidency #Hematuria ... Diagnosis #Algorithm #Workup
Trichomonas on Urine Microscopy

Trichomonas organisms adjacent to mixed cellular cast containing WBC's, tubular epithelial cells, and
Trichomonas on Urine ... Microscopy Trichomonas ... mixed cellular cast ... from patient with AKI ... #Trichomonas #Urine
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... blood cells on urine ... microscopy. ... RBCs and/or RBC casts ... with polyangiitis/microscopic