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 check.
Evaluating these two values supplies useful insights into kidney operate and total hydration standing. Traditionally, this calculation has served as an important diagnostic instrument, serving to healthcare professionals differentiate between varied causes of kidney dysfunction, equivalent to dehydration, decreased blood stream to the kidneys, or intrinsic kidney illness. A traditional ratio sometimes falls inside a particular vary, with deviations suggesting potential underlying points.