272 results found
Medical tests
… stool also may be measured. A stool culture is done to find out if bacteria may be causing an infection. Why It Is Done … a barium enema or upper gastrointestinal series (barium swallow). Barium can interfere with test results. Travelled in … each day. You may need to collect more than one sample. Follow the directions in the kits. The contents may be …
Medical tests
… non-stress test is often done when there is any question about how the baby is doing during later pregnancy. Some women … heartbeat as a beeping sound. Or you may see it printed out on a chart. You may be asked to push a button on the … drink something. How long the test takes The test takes about 20 to 40 minutes. It depends on how quickly your baby …
Medical tests
… Test Overview Tests for erection problems can help you find out why you can't have or maintain an erection. This problem … penis. The tool uses reflected sound waves to show blood flow on a computer screen. The results of your tests may show … of the arteries (atherosclerosis) can limit blood flow. And long-distance bicycle riding on a hard, narrow …
Medical tests
… have leg pain or numbness, you may have these tests to find out which nerves are being affected and how much they are … or doctor asks you to tighten (contract) the muscle slowly and steadily. This electrical activity is recorded. … make some people anxious. Keep in mind that only a very low-voltage electrical current is used. And each electrical …
Medical tests
… and X-ray pictures are used. The scope is put through the mouth and gently moved down the throat. It goes through your … procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this … your tongue out of the way. You may be asked to swallow to help move the tube along. The scope is no thicker …
Medical tests
… is a problem with your heartbeat (heart rhythm) and to find out how to fix it. In this test, the doctor inserts flexible … prepare for your procedure. Preparing for the procedure Follow the instructions exactly about when to stop eating and drinking. This may be a few hours before the …
Medical tests
… Check bone problems seen on an X-ray. An open bone biopsy allows your doctor to do surgical treatment at the same time, … your doctor will tell you how soon before surgery to stop eating and drinking. Follow the instructions exactly about when to stop eating and drinking, or your surgery may be …
Medical tests
… cause or location of unexplained bone pain, such as ongoing low back pain. A bone scan may be done first to help … in complex bone structures such as the foot or spine. Follow-up evaluation then may be done with a computed … A small amount of the tracer is injected. It takes about 2 to 5 hours for the tracer to bind to your bone so that …
Medical tests
… X-ray are not normal or do not give enough information about the chest problem, more specific X-rays or other tests … all or most of your clothes above the waist. (You may be allowed to keep on your underwear if it does not get in the … of damage to cells or tissue from radiation, including the low levels of radiation used for this test. But the chance …
Medical tests
… help support a diagnosis of H. pylori infection or to find out whether treatment for an H. pylori infection has been … of time before having a breath test or a stomach biopsy. Follow your doctor's instructions about how long you need to avoid eating and drinking before the test. Many medicines may …