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Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
) - Differential ... Epithelial cell casts ... Obstruction • Cast ... allopurinol, PPI) • Infections ... #Nephrology #Differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... - Differential ... Post-infectious ... Injury/Necrosis (ATN ... • Toxins • Infection
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... C3/C4, Other • ATN ... AIN: Medication, Infection ... #Acute #Kidney
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Acute Kidney Injury ... Light chain (LC) cast ... Cisplatin • ATN ... cyclophosphamide) #Acute ... Cancer #Oncology #Differential
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
suggestive of acute ... tubular necrosis (ATN ... in a variety of acute ... can be either infectious ... or non-infectious
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... Kidney Injury - Differential ... : • Tubules (ATN ... drtonydang @CMC_IM #AKI ... #Acute #KidneyInjury
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Acute Kidney Injury ... - Differential ... appropriate) #Acute ... Kidney #Injury #AKI ... #Differential #
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Acute Kidney Injury ... (AKI) - Differential ... Immune-mediated, Infection-mediated ... #Acute #Kidney ... #Injury #Differential
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... Injury (AKI) ... Liano 1996) - ATN ... CKD— 13% (mostly ATN ... Algorithm #Causes #Differential
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... cases are caused ... for WBCs, RBCs, casts ... etiologies due to ATN ... #Acute #KidneyInjury