The ratio is derived by dividing the blood urea nitrogen (BUN) worth by the creatinine worth. As an illustration, a BUN of 20 mg/dL and a creatinine of 1 mg/dL yields a ratio of 20. Each measurements are routinely obtained via a typical blood take a look at.
Evaluating these two values offers beneficial insights into kidney operate and general hydration standing. Traditionally, this calculation has served as an important diagnostic device, serving to healthcare professionals differentiate between varied causes of kidney dysfunction, equivalent to dehydration, lowered blood movement to the kidneys, or intrinsic kidney illness. A standard ratio usually falls inside a particular vary, with deviations suggesting potential underlying points.