51 results
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
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... microscopy / urinary ... cardiac imaging #Acute ... #Differential #Diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... repeat testing • Acute ... WBCs, or urine ... for renal biopsy ... uw_IMresidency #Hematuria #Diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... Red cell casts - Diagnostic ... #key #diagnosis ... #nephrology #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... - RBC casts → Diagnostic ... #Differential #Diagnosis ... #causes #urology ... #nephrology #renal
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... UOP/weights - Urine ... ATN - 45% - Pre-renal ... mostly ATN and pre-renal ... #Diagnosis #Algorithm
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
differentiate between pre-renal ... and intrinsic renal ... performance for diagnosing ... acute tubular interstitial ... AcuteKidneyInjury #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... seen in acute tubular ... tubulointerstitial nephritis, renal ... #Differential #Microscopy ... #Diagnosis #Nephrology
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 ... If findings are ... iMedEducation #Urine ... #nephrology #diagnosis
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... - Differential Diagnosis ... , Pentamidine Dr ... #Differential #Diagnosis ... #Algorithm #nephrology