329 results found
Medical tests
… can cause an infection. A sample of cells from the back of your throat is added to a substance that promotes the growth … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you have … For this test, you will gargle a small amount of salt water and then spit the fluid into a clean cup. This method …
Medical tests
… signs of a contagious disease or one spread through food or water.) How To Prepare If an autopsy is required by law, the … will allow the doctor doing the examination to answer your questions about the death. How It Is Done Before the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… get one if a test shows that you have blood or protein in your urine. The biopsy is usually done by putting a long, … you can expect. And it will help you safely prepare for your procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this is the …
Medical tests
… more study or printed out as photographs. Why It Is Done Your doctor may want you to have a coronary calcium scan if … clear about whether you should start treatment to reduce your risk of coronary artery disease. footnote 1 A coronary … or drink anything that has caffeine for a few hours before your test. Tell your doctor if you get nervous in tight …
Medical tests
… hours before the test. Because this is a test involving your heart, you may have to stay overnight in the hospital … help you relax. You will get a shot of anesthetic to numb your skin and deeper tissues. Then a long, thin needle will be carefully inserted just below your breastbone. (In some cases, the needle is inserted …
Medical tests
… of a joint after a contrast material (such as a dye, water, air, or a combination of these) has been injected into the joint. This allows your doctor to see the soft tissue structures of your joint, such as tendons , ligaments , muscles, cartilage …
Medical tests
… is both an electrolyte and a mineral. It helps keep the water (the amount of fluid inside and outside the body's … pH , the amount of potassium you eat, the hormone levels in your body, severe vomiting, and taking certain medicines, … diet has enough potassium for the body's needs. But if your potassium levels get low, it can take some time for …
Medical tests
… lab will give you specific instructions on how to prepare your hair. Hair preparation and the part of your body from which the hair is taken varies. In general, … external substances. Air pollution, mineral content of the water supply, exposure to industrial waste, shampoos, hair …
Medical tests
… dye ( contrast material ) is put in a vein ( IV ) in your arm or hand to make the blood vessels easier to see on the scan. If you are having this test to look at your heart and the blood vessels that go to it ( coronary … you may be given a medicine called a beta-blocker to slow your heart rate during the test. Benefits and limitations A …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … to send bile to the bowels (intestines) . The bile helps your body digest food and absorb vitamins that dissolve in … Kidneys . This pair of organs is in the upper part of your belly, but toward your back. The kidneys remove wastes …