32 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... Symptoms of UTI, urine ... WBCs, or urine ... → Urine culture ... #blood #urine
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Investigations: full blood ... screen, including blood ... cardiac imaging #Acute ... #Kidney #Injury
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... tubular injury ... protein indicating acute ... tubular injury ... key #diagnosis #nephrology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Kidney Injury ( ... • Sepsis • Blood ... • Inflammatory disease ... #Kidney #Injury ... #Differential #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... Kidney Injury ( ... IMPROVEMENT If the urine ... microscopy for WBCs ... LorinskyMD #AKI #Acute
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
proteinuria as a disease ... • Blood (hemoglobin ... • Red blood cells ... Acute Kidney Injury ... Acute Tubular Necrosis
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Acute Kidney Injury ... LC deposition disease ... Minimal change disease ... malignancies Treatment ... Classification #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and Disease ... and concentrated urine ... casts are seen in acute ... Advanced kidney disease ... Red blood cell
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Algorithm Red blood ... cells on urine ... Glomerular (Dysmorphic RBCs ... • Thin GBM disease ... • Pauci-immune disease
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... Immune mediated injury ... basement membrane disease ... of glomerular disease ... #urine #blood