27 results
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... broad - Advanced kidney ... tubulointerstitial nephritis, renal ... #Differential #Microscopy
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Investigations: full blood ... microscopy / urinary ... screen, including blood ... #Kidney #Injury
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... also be seen if urine ... protein indicating acute ... key #diagnosis #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... and chronic kidney ... non-infectious) - Dr ... #Urine #Microscopy ... #nephrology #interpretation
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... WBCs, or urine ... proteinuria, RBC casts ... for renal biopsy ... #blood #urine
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... hematuria: - RBC casts ... Diagnosis #causes #urology ... #nephrology #renal ... #urine #blood
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Microscopy Sulfa ... is a cause of acute ... renal failure that ... Especially sulfonamides are ... #clinical #nephrology
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Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... ATN - 45% - Pre-renal ... mostly ATN and pre-renal
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Kidney Injury (AKI ... Kidney Injury ( ... at least 50% Renal ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... Kidney Injury ( ... require urgent nephrology ... IMPROVEMENT If the urine ... Assess UA w/ microscopy