Chest pain may be caused by poor blood flow to the heart leading to angina, or by a sudden blockage in the coronary arteries resulting in a heart attack. Other causes of chest pain can include indigestion, reflux, muscle strain, inflammation in the rib joints near the breastbone, and herpes zoster or shingles.
Your GFR tells your doctor your stage of kidney disease and helps the doctor plan your treatment. If your GFR number is low, your kidneys are not working as well as they should.
Quick Answer. The EGFR, or estimated glomerular filtration rate, is calculated the same for all adults and is not determined by the race of an individual. The EGFR is a test that measures the amount of serum creatinine found in the urine.