Explore a comprehensive nursing NCLEX review lecture on acute kidney injury, also known as acute renal failure. Learn about the nursing management, stages, pathophysiology, and causes of this condition. Understand the sudden decrease in renal function that leads to waste buildup, fluid overload, and electrolyte imbalances. Discover the three main causes based on location: prerenal, intrarenal, and postrenal injuries. Examine the four stages of acute kidney injury, including initiation, oliguric, diuresis, and recovery. Gain insights into the symptoms, complications, and nursing interventions for each stage. Enhance your knowledge of renal function, glomerular filtration rate, and the importance of monitoring urine output, BUN/creatinine levels, and electrolyte balance. Prepare for your NCLEX exam with this in-depth review of acute kidney injury and its impact on patient care.