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.
GFR. GFR as a measure for kidney function. GFR (glomerular filtration rate) is equal to the total of the filtration rates of the functioning nephrons in the kidney.GFR is considered the optimal way to measure kidney function, which in conjunction with albuminuria, can help determine the extent of CKD in an individual.FR. GFR as a measure for kidney function. GFR (glomerular filtration rate) is equal to the total of the filtration rates of the functioning nephrons in the kidney.