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Acute Kidney Injury (Acute Renal Failure) Nursing NCLEX Review Management, Stages, Pathophysiology

Acute kidney injury (also called acute renal failure) nursing NCLEX review lecture on the nursing management, stages, pathophysiology, and causes (prerenal, intrarenal, postrenal). What is Acute Kidney Injury? It is the SUDDEN decrease in renal function that leads to the build up of waste in the blood, fluid overload, and electrolyte imbalances. What are the causes of Acute Kidney Injury? There are three causes, which are based on location. The first is known as prerenal injury and this is an issue with the perfusion to the kidneys that leads to decreased renal function. A second cause is known as intrarenal injury, and this is due to damage to the nephrons of the kidney. Lastly, postrenal injury is due to a blockage located in the urinary tract after the kidney that can extend to the urethra. This is causing the back flow of urine, which increases the pressure and waste in the kidneys. Stages of Acute Kidney Injury: There are four stage of acute kidney injury, which include initiation, oliguric, diuresis, and recovery stage. The initiation stage starts when a cause creates an injury to the kidney and then signs and symptoms start to appear. This leads to the oliguric stages. The patient will void less than 400 mL/day of urine during this stage and will experience increased BUN/creatinine levels, azotemia, hyperkalemia, hypervolemia, increase phosphate and decreased calcium levels along with metabolic acidosis. After this stage the patient can progress to the diuresis stage and this is where the patient will void 3-6 Liters of urine per day due to osmotic diuresis. The patient is at risk for hypokalemia, dehydration, and hypovolemia. The last stage is recovery and the patient's glomerular filtration rate has returned to normal. Therefore, the kidneys are able to maintain normal BUN and creatinine levels, electrolyte, and water levels. Quiz on Acute Kidney Injury: http://www.registerednursern.com/acut... Notes: http://www.registerednursern.com/acut... Nursing Gear: https://teespring.com/stores/register... More NCLEX Renal Lectures:    • Renal Nursing Lectures   Subscribe: http://www.youtube.com/subscription_c... Nursing School Supplies: http://www.registerednursern.com/the-... Visit our website RegisteredNurseRN.com for free quizzes, nursing care plans, salary information, job search, and much more: http://www.registerednursern.com Check out other Videos:    / registerednursern   All of our videos in a playlist:    • Insulin Onset Peak Duration Mnemonic ...   Popular Playlists: NCLEX Reviews:    • NCLEX Study Strategies   Fluid & Electrolytes:    • Fluid and Electrolytes Nursing   Nursing Skills:    • Nursing Skills Videos   Nursing School Study Tips:    • Nursing School Study Tips   Nursing School Tips & Questions"    • Nursing School Tips & Questions   Teaching Tutorials:    • Teaching Tutorials   Types of Nursing Specialties:    • Types of Nursing Specialties   Healthcare Salary Information:    • Healthcare Salary Information   New Nurse Tips:    • New Nurse Tips   Nursing Career Help:    • Nursing Career Help   EKG Teaching Tutorials:    • EKG/ECG Interpretation   Dosage & Calculations for Nurses:    • Dosage Calculations Nursing   Diabetes Health Managment:    • Diabetes Health Managment