New normative data and a web-based kidney calculator help doctors detect kidney disease early by comparing eGFR scores to age ...
DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked her ...
Creatinine is a waste product produced naturally by the muscles as they use energy. Healthy kidneys filter it from the bloodstream and excrete it through urine, maintaining balanced levels. When ...