glomerular filtration rate

The glomerular filtration rate (GFR) is a measure of how well your kidneys are filtering blood. Your kidneys have tiny filtering units called glomeruli that remove waste and excess fluids from your blood to produce urine. GFR indicates how much blood gets filtered each minute, reflecting kidney function. A normal GFR suggests healthy kidneys, while a low GFR can signal kidney problems or disease. Doctors often use GFR measurements to diagnose and monitor kidney health, helping to determine if treatment is needed. It is an essential indicator of overall renal function.