15 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
• Evidence of glomerular ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... infection • Hyaline casts ... disease • Granular casts ... key #diagnosis #nephrology ... #casts
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
kidney injury (AKI ... the different anatomic ... GBM, Glomerular ... #Differential # ... #Sites #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Immune mediated injury ... hematuria: - RBC casts ... #Hematuria #Differential ... #urology #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... • Drugs Glomerular ... sediment - WBC/RBC casts ... #Proteinuria #Nephrology ... #Differential #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... osmolarity If cause ... Diagnosis #nephrology ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
to Acute Kidney Injury ... require urgent nephrology ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... #diagnosis #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... diseases, Hypoxic injury ... www.youtube.com/c/ ... #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... arbitrarily defined as urine ... cell/white cell casts ... because nephritic urine ... nephrotic #syndrome #nephrology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
disease 24-hour urine ... antigen, hepatitis C ... infections are common causes ... #testing #workup ... nephrotic #nephritic #nephrology