Creatinine Clearance Blood Test: Purpose | 合法醫療器材資訊網

2020年7月28日—Acreatininetest,alsocalledaserumcreatininetest,isawayfordoctorstomeasurehowwellyourkidneysareworking.Creatinineisawaste ...

A creatinine test, also called a serum creatinine test, is a way for doctors to measure how well your kidneys are working. Creatinine is a waste product from the normal breakdown of muscle tissue. As your body makes it, its filtered through your kidneys[1] and expelled in urine. Your kidneys[2] ability to handle creatinine is how doctors can estimate how well kidneys are filtering the blood, which is called the glomerular filtration rate (GFR).

All the blood[3] in your body flows through your kidneys hundreds of times each day. The kidneys push the liquid part of blood through tiny filters called glomeruli and then reabsorb most of the fluid back into the blood. Fluid and waste products that the kidneys dont reabsorb are sent out of your body in your urine.

The rate filtering by the kidneys is called GFR. (The glomeruli are tiny bundles of blood vessels and other cells inside nephrons, and they’re the crucial parts of the filtering system.) Your docto...