12 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
• 1ml blood/liter ... microscopic and ... • Urethritis ... #urology #nephrology ... blood
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... Algorithm • Confirm hematuria ... repeat testing • Acute ... if cause not identified ... #blood #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
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Crystals ... Acute Kidney Injury ... #Urinalysis #crystals ... #hematuria
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Investigations: full blood ... microscopy / urinary ... osmolarity If cause ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... are caused by prerenal ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... , crystals, protein
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... disease Red blood ... Glomerulonephritis White blood ... #Differential #Microscopy
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
arbitrarily defined as urine ... content [85].2>5 red blood ... pancreatitis), joints (arthritis ... because nephritic urine ... Hematuria may be
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... Screening Tests for Acute ... : • Complete blood ... • Serum and urine