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.
Dr. Jack Rubin, M.d. Dr. M.d. EGFR range: You realize that in the egfr the e stands for estimated. It is arrived at by taking the patient's age, sex, race, weight and serum creatinine level and putting those data into a formula. To get your actual GFR (a) is, see a nephrologist (n) and have a 24 hour urine collected for a creatinine clearance which will give it to you.