329 results found
Medical tests
… changes when the baby moves. It also shows changes when you have contractions, if you're having them. A fetal heart rate … to stop smoking for 2 hours before the test. This is because smoking affects your baby's heart rate and movements. … to push a button on the machine when your baby moves or you have a contraction. This helps your doctor look at how your …
Medical tests
… Test Overview Body fat testing checks how much body fat you have. It may be done to find out if you have too much or too … who are trying to become more fit and lose weight sometimes use the test to check for changes in their body fat levels. … The least expensive and most popular tests include: Skinfold thickness. A tool called a caliper is used to …
Medical tests
… challenge and inhalation challenge tests are sometimes used to diagnose asthma and workplace asthma (occupational … effect exercise has on airflow. Most people with asthma have some decreased airflow during or after exercise. But most people who have asthma do not need an exercise challenge test. …
Medical tests
… Test Overview A sonohysterography test uses ultrasound to look at the inside of your uterus. A salt … doing the test when you could be pregnant. Your doctor may have you take an over-the-counter pain medicine, such as … Some of the fluid may leak out after the test. You also may have some slight bleeding. How It Is Done How is a …
Medical tests
… Test Overview A rapid sputum tests is used to diagnose tuberculosis (TB) when other tests show … A test may be done when: footnote 1 A person is thought to have TB, but confirmation is needed before sputum culture … with bacteria other than TB bacteria. A person who may have TB has been close to other people who will need …
Medical tests
… a lower gastrointestinal (GI) examination. The test is used to help find diseases and other problems that affect … On the day before the test: Drink plenty of fluids. If you have kidney, heart, or liver disease and have to limit fluids, talk with your doctor before you …
Medical tests
… Magnetic Resonance Imaging (MRI) of the Shoulder On this page: Test Overview Why It Is Done How To … imaging (MRI) is a test done with a large machine that uses a magnetic field and pulses of radio wave energy to … problems. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… Information Test Overview Helicobacter pylori tests are used to detect a Helicobacter pylori ( H. pylori ) infection … your body has made antibodies to H. pylori bacteria. If you have antibodies to H. pylori in your blood, it means you either are currently infected or have been infected in the past. Urea breath test. A urea …
Medical tests
… they occur, are important in evaluating whether you might have MS. Even symptoms that you might have had several years ago can be important. The … and statements. If the doctor suspects mental problems caused by multiple sclerosis (MS), he or she may order tests …
Medical tests
… Test Overview The slit lamp examination uses a tool that provides a magnified, three-dimensional … of your eyes. Before the test, tell your doctor if you have glaucoma or are allergic to eyedrops that dilate or … are used, your eyes may be sensitive to light. You will have trouble focusing your eyes for several hours. If you …
