329 results found
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body breaks down these hormones and passes them into …
Medical tests
… and 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 levels get low, it can take some time for your body to start holding on to potassium. A potassium …
Medical tests
… genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A … BRCA gene change (other than BRCA1 or BRCA2) is present. Researchers don't know whether some BRCA gene changes increase … BRCA gene change (other than BRCA1 or BRCA2) is present. Researchers don't know whether some BRCA gene changes increase …
Medical tests
… if the tracer is evenly spread in the gland. This helps your doctor know if the thyroid gland is working properly. … who have had thyroid cancer surgery. How To Prepare Tell your doctor if you: Take any medicines regularly. Be sure your doctor knows the names and doses of all your medicines. …
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 …
Medical tests
… you make wise health decisions or take action to improve your health. Decision Points focus on key medical care … Infection? How To Prepare You may be asked to empty your bladder just before the test, both for your own comfort and to help with the examination. Talk to …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for certain problems, and … chemistry screen you have done depends on what information your doctor is looking for. A chemistry screen may include …
Medical tests
… in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. Phosphate in the body. Certain … true. It is important to get the right amount of calcium in your food because the body loses calcium every day. Foods …
Medical tests
… Information Overview Cardiac catheterization is a procedure your doctor uses to see images and get information about your child's heart and blood vessels from the inside. It can … heart defects. This is a kind of heart problem that your child is born with. Your doctor doesn't need to make …
Medical tests
… (PSA) test is done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, including a prostate … How To Prepare Do not ejaculate during the 2 days before your PSA blood test, either during sex or masturbation. Talk …
