61 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... → Diagnostic of ... #causes #urology ... #nephrology #renal
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... microscopy / urinary ... osmolarity If cause ... #nephrology #causes
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Microscopy Sulfa ... crystalluria is a cause ... of acute renal ... #Microscopy #crystalluria ... #clinical #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... repeat testing • Acute ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... - Diagnostic of ... #key #diagnosis ... #nephrology #casts
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential Diagnosis ... • Fanconi's syndrome ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... hematuria (RBC casts ... dysmorphic RBCs in urine ... Comparison #Algorithm #Nephrology ... #Diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... are seen in acute ... Fatty - Nephrotic syndrome ... edgarvlermamd - Nephrology ... #Diagnosis #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... #nephrology