260 results found
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview An ambulatory electrocardiogram (EKG or ECG) records the electrical activity of your heart while you do your usual activities. … rhythms are found. Your heart rate may go up when you are active and go down when you sleep. It can be normal to have …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A semen analysis is a test to … How To Prepare You may be asked to avoid any sexual activity that results in ejaculation for 2 to 5 days before … A long time without sexual activity may result in less active sperm. You may be asked to avoid drinking alcohol for …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Allergy testing involves having a … the skin prick test but is still suspected as an allergen for that person. The intradermal test is more sensitive than … skin test. How It Is Done Allergy skin tests Skin tests The health professional doing the skin prick or intradermal test …
Medical tests
… test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. The tracer usually is a special form of a substance (such as glucose) that collects in cells … scan is done to: Study the brain's blood flow and metabolic activity. A PET scan can help a doctor find nervous system …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A Doppler ultrasound test uses … the major arteries of the neck. This problem could cause a stroke . The test also can find blood clots in leg veins ( … to look at blood flow in an unborn baby to check the baby's health. During Doppler ultrasound , a hand-held device is …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Cardiac enzyme studies measure the … studies must always be compared with your symptoms, your physical examination findings, and other test results. Why … be done, or what the results will mean. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A chemistry screen is a blood test … ). A chemistry screen tells your doctor about your general health, helps look for certain problems, and finds out … Done A chemistry screen may be done: As part of a routine physical examination. To help you and your doctor plan …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A luteinizing hormone test measures … of the menstrual cycle. This hormone goes up fast just before ovulation occurs, about midway through the cycle (day … and over-the-counter medicines you take, including natural health products. How It Is Done Blood test A health …
Medical tests
… Chlamydia Tests On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Chlamydia tests use a … and treated footnote 1 . And you may need to have tests for other sexually transmitted infections, including HIV. …
Medical tests
… Gonorrhea Test On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Gonorrhea tests tell if a person has this disease. They look for the bacterium, or germ, that causes gonorrhea . Testing …
