284 results found
Medical tests
… and then the barium is drained out. This leaves only a thin layer of barium on the wall of the colon. The colon is … the large intestine. Check on belly symptoms such as pain, blood in stool, or altered bowel habits. Check on other … Before a barium enema, tell your doctor if you: Are or think you may be pregnant. Are allergic to latex. Latex …
Medical tests
… after spinal surgery. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … as from scoliosis . Diseases that affect the spine, such as thin bones ( osteoporosis ) or arthritis , are present. One … after spinal surgery. How To Prepare In general, there's nothing you have to do before this test, unless your doctor …
Medical tests
… test is done in several steps. Transvaginal ultrasound. A thin ultrasound wand with gel on it is gently placed into … test is done in several steps. Transvaginal ultrasound. A thin ultrasound wand with gel on it is gently placed into …
Medical tests
… tests are done to find certain antibodies that attack red blood cells. Antibodies are proteins made by the immune … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… ultrasound test uses reflected sound waves to see how blood flows through a blood vessel. It helps doctors assess … is most often used to look at blood flow through vessels within solid organs. Why It Is Done Doppler ultrasound is done … this test. Results The scans from the test will be read within a short time. Doppler ultrasound Normal: The test does …
Medical tests
… Overview A glycohemoglobin test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound … blood glucose levels in people with diabetes. Most doctors think checking an A1c level is the best way to check how … This test may not be accurate for everyone because many things can affect the lifespan of red blood cells, such as …
Medical tests
… Test Overview A chemistry screen is a blood test that measures the levels of several substances in … a chem-20, SMA-20, or SMAC-20) looks at 20 different things in the blood. Other types of chemistry screens (such … in the test. You may be instructed not to eat or drink anything except water for 9 to 12 hours before having your …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… It Is Done Results Test Overview The blood supply to your hand normally comes from two arteries: … procedure called the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of these blood vessels are open and working correctly. It may be done …
