There are various synonyms for the term "acute tubular necrosis." Some of the commonly used ones include acute renal failure, tubular necrosis, acute kidney injury, and acute kidney failure. All of these terms refer to a serious medical condition where the kidneys fail to filter waste and excess fluids from the blood. This can result in a buildup of toxins in the body, leading to life-threatening complications. It can be caused by a variety of factors, including dehydration, medication overdose, and underlying health conditions. Identifying and treating the underlying cause is essential to prevent further damage to the kidneys and restore their normal function.