329 results found
Medical tests
… doctor can test the fluid to find the cause of the buildup. Your doctor will put a long, thin needle or a thin plastic tube, called a catheter, between two of your ribs. The doctor will use the needle or catheter to … will take about 15 minutes. You can go back to work or your normal activities as soon as you feel up to it. Why It …
Medical tests
… Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep taking it. (These medicines …
Medical tests
… The doctor puts a lighted tube through incisions in your belly. This tube is called a scope. Then the doctor … for surgery. Preparing for surgery You may need to empty your colon with an enema or laxative. Your doctor will tell you how to do this. Be sure you have …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … in the air that you breathe out (exhale). You can measure your own breath alcohol level with a simple hand-held … directions, it can provide an accurate estimate of your blood alcohol level. There are different types of …
Medical tests
… Test Overview The blood supply to your hand normally comes from two arteries: the radial … 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 … How It Is Done For the Allen test, you will likely rest your hand on a table or towel and make a fist. The health …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … And that can cause high blood pressure, excessive sweating, headaches, fast heartbeats, and tremors. How To … And that can cause high blood pressure, excessive sweating, headaches, fast heartbeats, and tremors. How To …
Medical tests
… Why It Is Done You may need a prostate biopsy if your doctor found something of concern in your lab work or during your examination. A biopsy can help find out if you have …
Medical tests
… genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A … cancers. You can inherit the gene changes from either your mother's or father's side of the family. BRCA gene changes aren't common. Your doctor may talk to you about testing based on your …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see different colours. Others may check how …
Medical tests
… normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to make changes in your diet. He or she also may use the results to see how … fluids are working. Other health problems also may cause your levels to drop. You may need another blood test to be …
