28 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... and Differential Diagnosis ... microscopy / urinary ... osmolarity If cause ... #nephrology #causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... hematuria: - RBC casts ... → Diagnostic of ... #causes #urology ... #nephrology #renal
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
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
cases are caused ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... #diagnosis #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... proteinuria, RBC casts ... for renal biopsy ... if cause not identified
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... triad (<10%): fever ... sterile pyuria, WBC casts ... proteinuria, granular casts ... #diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... - Differential Diagnosis ... • Hepatorenal syndromes ... Epithelial cell casts ... polyangiitis /microscopic
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... UOP/weights - Urine ... rhabdo/TLS) Causes ... #Nephrology #Diagnosis ... #Algorithm #Causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... • Exercise • Fever ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic