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Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Acute Kidney Injury ... obstruction, Neurogenic bladder ... #AKI #Acute #Kidney ... #Injury #Differential
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... • Neurogenic Bladder ... #AKI #Acute #Kidney ... #Injury #Differential
Indications for Albumin for Management of Cirrhosis
 • Large volume paracentesis (>5 liter) - 8g per
• Large volume paracentesis ... removed • Acute kidney ... injury (≥ 1B) -
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Acute Kidney Injury ... Proximal tubular injury ... Hemorrhagic cystitis -> bladder ... cyclophosphamide) #Acute #Kidney ... #Injury #AKI #Cancer
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
causing Acute Kidney ... Injury (AKI) Prerenal ... methotrexate Postrenal -↓ bladder ... #AKI #Acute #Kidney ... #Injury #Medications
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... • Neurogenic bladder ... #AKI #Acute #Kidney ... #Injury #Classification
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
causes of Acute Kidney ... Injury AKI - Differential ... cancer) • Urinary bladder ... primarily related to kidney ... Acute Tubular Injury
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... Injury (AKI) ... /Cr - Renal/bladder
Acute Kidney Injury (AKI) - Management Principles
Prerenal - Correct hemodynamic derangements:
 • If low preload →
Acute Kidney Injury ... • Neurogenic bladder ... #AKI #Acute #Kidney ... #Injury #treatment
Urinoma and Calyceal rupture on Renal Ultrasound
Sudden onset Rt flank pain.  Patient has right distal
stone seen on sag ... bladder image below ... Renal #Ultrasound #kidney