281 results found
Medical tests
… Blood vessels. Using MRI to look at blood vessels and the flow of blood through them is called magnetic resonance … will watch you through a window, and you'll be able to talk back and forth. If contrast material is needed, the … can take as long as 2 hours. How It Feels You will not have pain from the magnetic field or radio waves used for the MRI …
Medical tests
… is usually done by putting a long, thin needle through the back and into the kidney. The doctor may do several biopsies … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get … asked to lie on an examination table. A sandbag, a firm pillow, or a rolled towel will be placed under your body to …
Medical tests
… should, the level of uric acid in the urine can get too low. High levels of uric acid can cause crystals to form in joints. This causes a painful problem called gout . If gout isn't treated, the … . During the 24-hour period, don't drink alcohol. It lowers the amount of uric acid eliminated by the kidneys. …
Medical tests
… a small hand-held device called a transducer is passed back and forth over the neck. This makes a picture of the … a high table with your neck stretched out. You'll have a pillow under your shoulders. Gel will be spread on your neck. … takes about 30 minutes. How It Feels Most people don't feel pain during the test. But keeping your neck extended during …
Medical tests
… Wrap an elastic band around your upper arm to stop the flow of blood. This makes the veins below the band larger so it is easier to put a needle into the … a vein. You may get a small bruise at the site. You can lower the chance of bruising by keeping pressure on the site …
Medical tests
… that can cause blindness by damaging the nerve in the back of the eye ( optic nerve ). Damage to the optic nerve … numb the surface of your eye are used with most of the following methods. Tonometry methods Applanation (Goldmann) … each eye. How It Feels Tonometry should not cause any eye pain. Your doctor will use eyedrops to numb the surface of …
Medical tests
… illness are present, such as nausea, vomiting, or abdominal pain. These symptoms often happen with high blood sugar and … especially when that person is sick. Monitor a person on a low-carbohydrate diet and/or high-fat diet. Monitor a person … Urine test Collect a urine sample in a clean container. Follow the manufacturer's directions on the bottle of test …
Medical tests
… with your arm extended and your wrist resting on a small pillow. The health professional taking the blood may rotate your hand back and forth and feel for a pulse in your wrist. A … site. How It Feels Collecting blood from an artery is more painful than collecting it from a vein. That's because the …
Medical tests
… ALT is measured to see if the liver is damaged or diseased. Low levels of ALT are normally found in the blood. But when … or liver disease. Keep track of the effects of cholesterol-lowering medicines and other medicines that can damage the … ALT is measured to see if the liver is damaged or diseased. Low levels of ALT are normally found in the blood. But when …
Medical tests
… reach the bone marrow. You may feel pressure or some dull pain during the procedure. After the doctor takes the … usually have a sample of bone marrow fluid taken from the back of the pelvic bone. In rare cases a fluid sample is … children may have the sample taken from the front of the lower leg bone, just below the knee. A bone marrow biopsy is …
