40 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... , urine microscopy ... osmolarity If cause ... #Workup #Algorithm ... #causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... UOP/weights - Urine ... #Nephrology #Diagnosis ... #Algorithm #Causes ... #Differential
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
) - Differential ... Diagnosis Algorithm ... at least 50% Renal ... Epithelial cell casts ... polyangiitis /microscopic
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... • Hyaline casts ... #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria: - RBC casts ... #Hematuria #Differential ... #urology #nephrology ... #renal #urine #
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... #nephrology #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Pain/Post-op • Neurologic ... GI losses • Renal ... • Reduced GFR, AKI ... Hypo-osmolar urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Pain/Post-op • Neurologic ... GI losses • Renal ... • Reduced GFR, AKI ... Hypo-osmolar urine
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
cases are caused ... IMPROVEMENT If the urine ... CONSIDER INTRINSIC CAUSES ... Assess UA w/ microscopy ... for WBCs, RBCs, casts
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... proteinuria, RBC casts ... for renal biopsy ... if cause not identified ... Hematuria #Diagnosis #Algorithm