329 results found
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … checked, you may need to eat a fat-free meal on the evening before the test. Then you may need to avoid eating for 8 to 12 hours before the test. For a test of the kidneys, you may be asked …
Medical tests
… , colonoscopy , and CT colonography . Which screening test you choose depends on your risk, your preference, and your … will be given instructions about foods to avoid in the days before the test. Some medicines may also need to be stopped for a brief time before the test. Don't do the stool tests during your …
Medical tests
… if the tracer is evenly spread in the gland. This helps your doctor know if the thyroid gland is working properly. … as the venom from a bee sting or from eating shellfish. Before an RAIU test, blood tests may be done to measure the … blood. Follow your doctor's instructions about not eating before the test. Your doctor may ask you to eat a low-iodine …
Medical tests
… fainted or who often feel light-headed. The results help your doctor know the cause of your fainting or feeling … You may be asked to not eat or drink for a few hours before the test. You may need to have someone drive you home … doctor will tell you if you should stop taking any of them before the test and how soon to do it. How It Is Done The …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your … is working as it should. Check how the esophagus works before surgery for GERD. These tests are usually not done if … this test: Do not take antacids (such as Tums) for 24 hours before the test. Follow your doctor's instructions for using …
Medical tests
… Test Overview An endometrial biopsy is a way for your doctor to take a small sample of the lining of the … blood thinner, ask your doctor if you should stop taking it before your test. Make sure that you understand exactly what … such as ibuprofen (Advil or Motrin), 30 to 60 minutes before the test. This can help reduce any cramping pain that …
Medical tests
… or the intestines (bowel) are working. How To Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep … your doctor wants you to do. Other blood tests may be done before a paracentesis to make sure that you don't have any …
Medical tests
… to the root can show what drugs were used up to 3 months before the test. How To Prepare If you have a hair analysis done, the lab will give you … in the body. Hair samples are washed in special chemicals before testing. DNA profiles Hair samples for DNA analysis …
Medical tests
… The doctor puts a lighted tube through incisions in your belly. This tube is called a scope. Then the doctor … doctor will tell you if you should stop taking any of them before the surgery and how soon to do it. If you take a … blood clots, your doctor may tell you to stop taking it before your surgery. Or your doctor may tell you to keep …
Medical tests
… sensitivity test is usually done on the sample of fluid. Before the test, your child may get medicine to help relax. Or a doctor or … If there is a lot of earwax, it is removed from the ear before the test begins. The child is held very still while …
