Prerenal Acute Kidney Injury Pathophysiology and Presentation
- Decreased Renal Perfusion
 - Decreased GFR
 - Increased Sodium and Water Reabsorption
 - Edema
 - Dyspnea
 - Hypotension with Tachycardia
 - Altered Mental Status
 - Oliguria
 - NSAIDs
 - Renal Artery Stenosis
 - ACE Inhibitors
 
Acute Tubular Necrosis
- Ischemic Injury
 - Nephrotoxic Injury
 - Granular Muddy Brown Casts
 - Intrinsic Renal Failure
 - Oliguric Phase
 - Metabolic Acidosis
 - Hyperkalemia
 - Increase in BUN and Creatinine
 - Polyuria Phase
 - Decrease in BUN and Creatinine
 - Hypokalemia
 - Supportive Care
 
Chronic Kidney Disease Early Symptoms Assessment
- GFR < 60mL/min
 - Accumulation of Waste Products
 - General Malaise
 - Hypertension
 - Proteinuria
 - Hyperkalemia
 - Mineral and Bone Disorders
 - Neuropathy
 
Chronic Kidney Disease Late Symptoms Assessment
- Metabolic Acidosis
 - Severe Uremia
 - Arrhythmias
 - Edema
 - CNS Depression
 - Anemia
 - Oliguria
 - Pruritus
 - End Stage Renal Disease (ESRD)
 - GFR < 15mL/min
 
Chronic Kidney Disease Interventions
- Daily Weights
 - Strict I/O
 - Renal Diet
 - Strict Medication Regimen
 - Erythropoietin
 - Manage Hyperkalemia
 - Manage CKD-MBD
 - Dialysis
 - Kidney Transplant
 
Renal Osteodystrophy
- Chronic Kidney Disease
 - Secondary Hyperparathyroidism
 - Hyperphosphatemia
 - Hypocalcemia
 - Decreased Calcitriol
 - Osteitis Fibrosa Cystica
 - Osteoporosis
 - Osteomalacia
 - Treating Underlying Disorder
 
Prerenal Acute Kidney Injury Diagnosis and Management
- BUN:Creatinine Ratio > 20:1
 - Fractional Excretion of Sodium (FENa) < 1%
 - Urine Osmolality > 500 mOsm/kg
 - Hyaline Casts
 - Fluid Replacement
 - Monitor Renal Function
 - Diuretics
 
Postrenal Acute Kidney Injury Pathophysiology and Presentation
- Bilateral Outflow Obstruction
 - Decreased GFR
 - Benign Prostatic Hyperplasia (BPH)
 - Nephrolithiasis
 - Neoplasm
 - Neurogenic Bladder
 - Bladder Distension
 - Lower Abdominal Pain
 - Edema
 - Oliguria
 
Post Renal Acute Kidney Injury (AKI) Diagnosis and Management
- Physical Examination
 - BUN:Creatinine ratio of 20:1 in the Initial Stages
 - BUN:Creatinine ratio of 10:1 in the late stages
 - Urine Osmolality <350 mOsm/kg
 - Variable Fractional Excretion of Sodium (FENa)
 - Ultrasound
 - CT Scan
 - Treat Underlying Cause
 
Intrinsic Renal Failure
- Acute Tubular Necrosis
 - Acute Interstitial Nephritis
 - Vasculitis
 - Malignant Hypertension
 - Acute Glomerulonephritis
 - TTP-HUS
 - Fractional Excretion of Sodium (FENa) > 2%
 - Urine Osmolality < 350 mOsm/kg
 - Urine Na+ >40 mEg/L
 - Serum BUN/Cr < 15
 - Treat Underlying Disorder