127 results found
Medical tests
… electrolyte and a mineral. It helps balance the amounts of water and electrolytes in the body. (Water is the amount of … destroy cancer cells can also raise potassium levels. Many foods are rich in potassium. Some examples are tomatoes and … destroy cancer cells can also raise potassium levels. Many foods are rich in potassium. Some examples are tomatoes and …
Medical tests
… before your first blood sample is taken. (You can drink water before the test.) How It Is Done A blood sample is … symptoms and past health. Carbohydrate Foods Medical Tests: Questions to Ask the Doctor … symptoms and past health. Carbohydrate Foods Medical Tests: Questions to Ask the Doctor …
Medical tests
… thyroxine. This hormone controls how fast the body converts food into energy ( metabolism ). Parathyroid hormone (PTH) … better. (They do not pass easily through air.) A small water-filled bag or gelatin sponge might be placed over your … thyroxine. This hormone controls how fast the body converts food into energy ( metabolism ). Parathyroid hormone (PTH) …
Medical tests
… is both an electrolyte and a mineral. It helps keep the water (the amount of fluid inside and outside the body's … sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an ingredient in … sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an ingredient in …
Medical tests
… With the gFOBT, you will be given instructions about foods to avoid in the days before the test. Some medicines … in contact with toilet bowl cleaning products that turn the water blue. How It Is Done There are different types of home … Be sure to follow any instructions, including those about foods or medicines to avoid in the days before the test. …
Medical tests
… you drink a mix of barium (barium contrast material) and water. The barium is often combined with gas-making … symptoms, such as trouble swallowing, vomiting, burping up food, belly pain (including a burning or gnawing pain in the … syndrome, or problems with the squeezing motion that moves food through the intestines (motility disorders). Find …
Medical tests
… The doctor may tell you not to eat or drink anything but water for 4 to 6 hours before the test. Follow all … need to go back for another HIDA scan, do not eat any fatty foods before the test. Results The results of a HIDA scan … need to go back for another HIDA scan, do not eat any fatty foods before the test. Results The results of a HIDA scan …
Medical tests
… be exposed to lead: By eating or drinking lead-contaminated foods, water, or other material (such as paint chips). By breathing … be exposed to lead: By eating or drinking lead-contaminated foods, water, or other material (such as paint chips). By …
Medical tests
… deficiency anemia unless their bodies can't absorb it from food. Strict vegetarians (vegans) who do not eat animal … gastritis . How To Prepare Do not eat or drink (other than water) for 10 to 12 hours before the test. How It Is Done … a person is not getting enough vitamin B12 in his or her food. Low levels are linked with hyperthyroidism or folic …
Medical tests
… hormone (ADH) partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not drink enough water, the concentration of chemicals in your blood (serum … osmolality increases, your body releases ADH. This keeps water from leaving in the urine, and it increases the amount …
