31 results
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... cases are caused ... for WBCs, RBCs, casts ... , crystals, protein ... workup #diagnosis #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Epithelial cell casts ... Obstruction • Cast ... crystals • Calcium ... #KidneyInjury #Nephrology ... #Causes
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... infection • Hyaline casts ... disease • Granular casts ... key #diagnosis #nephrology ... #casts
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Sulfa Crystals on ... Urine Microscopy ... crystalluria is a cause ... #crystalluria #clinical ... #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sensitive) • AKI ... sterile pyuria, WBC casts ... proteinuria, granular casts ... #nephrology #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... electrolytes, urea ... investigations depending on clinical ... Differential #Diagnosis #nephrology ... #causes
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 ... #casts #crystalluria ... #clinical
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... on Urine Microscopy ... of mb granular casts ... Granular #MuddyBrown #Casts ... #Clinical #Nephrology
Ammonium Urate Crystals on Urine Microscopy
Very much like a black sea urchin in these particular examples

Dr.
Ammonium Urate Crystals ... on Urine Microscopy ... #crystals #crystalluria ... #clinical #nephrology ... #urine #microscopy
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified