329 results found
Medical tests
… the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your body. … too much uric acid, the level in the urine can get too high. And if your kidneys aren't working the way they … the large container in the refrigerator when you aren't using it. Empty your bladder for the last time at or just …
Medical tests
… watches the barium pass through your gastrointestinal tract using fluoroscopy and X-ray pictures. The table is tilted at … may change positions to help spread the barium. Some gentle pressure is put on your belly with a belt or by the … and a little nauseated. Risks Barium doesn't move into the blood, so allergic reactions are very rare. Some people gag …
Medical tests
… tissue or make the cells produce thyroid hormones. They are blood tests. Antibodies that destroy thyroid tissue can lead … worse symptoms. These tests are not thyroid hormone tests. High or low levels of thyroid hormones also can be signs of … be done after thyroid hormone tests to find the cause of high or low levels of thyroid hormones. High levels of these …
Medical tests
… or trisomy 18 . First-trimester screening tests include: Blood tests. These measure the level of two substances in … done in the first trimester of pregnancy can be done using a sample of your blood and using ultrasound to measure … a set of numbers. A positive result means that there is a higher-than-average chance that your baby has Down syndrome …
Medical tests
… who has syphilis during pregnancy. Testing is done on blood, body fluid, or tissue samples. If a first screening … Why It Is Done A syphilis infection can spread through the bloodstream to all parts of the body. If not treated, … How It Is Done A syphilis test may be done on a sample of blood, sore, skin, or spinal fluid, depending on which type …
Medical tests
… the doctor inserts flexible tubes called catheters into blood vessels. These blood vessels are typically in the … to destroy (ablate) small areas of your heart that are causing the problem. Why It Is Done An electrophysiology study … pictures of your heart. After the test After the procedure, pressure may be applied to the areas where a catheter was …
Medical tests
… Overview A glycohemoglobin test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound … change during the day for many reasons, including medicine, diet, exercise, and the level of insulin in the blood. It is … a blood sample, usually from an arm. It can also be done using blood from a finger stick. How It Feels You may feel …
Medical tests
… specific instructions. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … It can help keep fluid from building up again. A tight (pressure) bandage will be placed over the site to reduce … stain and culture. Bacteria in the joint fluid that are causing an infection may be seen under a microscope after …
Medical tests
… of the heartbeat can also be noted, as well as whether the blood vessel feels hard or soft. Changes in your heart rate … ). Stimulants such as caffeine, amphetamines , diet pills, and cigarettes. Drinking alcohol. Stress. Slow … types of heart disease and medicine to treat heart disease. High levels of fitness. An underactive thyroid gland ( …
Medical tests
… Test Overview A chemistry screen is a blood test that measures the levels of several substances in … plan or lifestyle. To look for problems, such as a low or high blood glucose level that may be causing a specific symptom. To follow a specific health …
