45 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... of glomerular bleeding ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Non-glomerular bleeding ... • White cell casts ... crystals may indicate metabolic ... key #diagnosis #nephrology ... #casts
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
Differential Diagnosis ... of Acute Kidney ... #Diagnosis #Nephrology ... #Causes #Differential ... #Workup #Algorithm
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy ... #nephrology #interpretation
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts ... #diagnosis #nephrology
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
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 ... edgarvlermamd - Nephrology ... Microscopy #Diagnosis #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... of Glomerular Bleeding ... hematuria: - RBC casts ... Exercise induced bleeding ... #urology #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Pain/Post-op • Neurologic ... hypovolemia • Bleeding ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... sediment - WBC/RBC casts ... #Proteinuria #Nephrology ... #Differential # ... Diagnosis #Algorithm #Causes