23 results
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Kidney Injury ( ... cases are caused ... for WBCs, RBCs, casts ... etiologies due to ATN ... #simplified #workup
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Diagnosis Framework ... : • Flank pain ... : - RBC casts ... → Diagnostic of ... Causes of Hematuria
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... Liano 1996) - ATN ... CKD— 13% (mostly ATN
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... and Differential Diagnosis ... microscopy / urinary ... #AKI #Workup #Algorithm
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... Kidney Injury - ... (ATN) • Glomerular ... Interstitium (AIN ... drtonydang @CMC_IM #AKI
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... repeat testing • Acute ... unilateral flank pain ... proteinuria, RBC casts ... Nephrology for renal
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... tubular necrosis (ATN ... and chronic kidney ... #Urine #Microscopy ... interpretation #diagnosis
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Kidney Injury (AKI ... AKI) - Acute increase ... Epithelial cell casts ... polyangiitis /microscopic
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC casts ... eosinophiluria, microscopic ... hematuria, mild ... proteinuria, granular casts ... Algorithm #nephrology #diagnosis
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... C3/C4, Other • ATN ... Pigment, Protein) • AIN ... #Acute #Kidney ... #nephrology #causes