8 results
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine ... Microscopic exam ... • Urinary casts ... #Urinalysis #crystals ... #urine #UNa #casts
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... glomerular disease • Leukocytes ... • White cell casts ... renal disease • Granular
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
- Differential ... cell casts on UA ... renal tubular cell casts ... or pigmented casts ... Intrarenal: stones, crystals
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Diagnosis Baseline ... , urine microscopy ... ultrasonography, serum calcium ... #causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... casts are seen ... #Casts #Differential ... #Microscopy #Diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... , crystals, protein ... #KidneyInjury #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
(Urinalysis or ... hematuria: - RBC casts ... #Diagnosis #causes ... #urology #nephrology ... blood
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... (gout) or calcium ... Screening Tests for Acute ... acid level • Urinalysis ... • Serum and urine