53 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... • Hyaline casts ... #nephrology #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... clots ➔ Lower Urinary ... hematuria: - RBC casts ... #nephrology #renal ... #urine #blood
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... #Casts #Differential ... #Microscopy #Diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... Sodium 4) Serum ... High Uric Acid → renal ... #Algorithm #nephrology ... #sodium #low #uricacid
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and Differential Diagnosis ... microscopy / urinary ... osmolarity If cause ... #nephrology #causes
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Glucocorticoid deficiency, Primary ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Urinary casts ... : • White blood ... used with normal renal ... #UNa #casts #glucosuria
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Algorithm • Confirm ... proteinuria, RBC casts ... for renal biopsy ... if cause not identified ... #urology #blood
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Algorithm Urine ... Relief of prolonged urinary ... Dl • Chronic Renal ... #Algorithm #causes ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Algorithm Volume ... hyperaldosteronism • High PRA: Renal ... #Algorithm #Nephrology ... #Causes