13 results
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Urine Microscopy ... crystalluria is a cause ... of acute renal ... #Urine #Microscopy ... crystalluria #clinical #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Causes of Hematuria ... microscopic and ... • Urethritis ... #urology #nephrology ... #renal #urine #
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... protein indicating acute ... - Some crystals ... key #diagnosis #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... Algorithm • Confirm hematuria ... repeat testing • Acute ... for renal biopsy ... if cause not identified
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... microscopy / urinary ... osmolarity If cause ... cardiac imaging #Acute ... #causes
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Crystals ... used with normal renal ... Acute Kidney Injury ... #hematuria
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... at least 50% Renal ... myeloma) • Urate crystals ... polyangiitis /microscopic ... Sjögren) Post-Renal
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... IMPROVEMENT If the urine ... CONSIDER INTRINSIC CAUSES ... Assess UA w/ microscopy ... , crystals, protein
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... rhabdo/TLS) Causes ... Diagnosis #Algorithm #Causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... tubulointerstitial nephritis, renal ... #Differential #Microscopy ... #Diagnosis #Nephrology