329 results found
Medical tests
… Quad Screening for Birth Defects On this page: Test Overview Health Tools Why It Is Done How It Is Done Results Test … test that may be done at 15 to 22 weeks of pregnancy. It's used to look for possible problems with your baby. The quad …
Medical tests
… First-Trimester Screening for Birth Defects On this page: Test Overview How It Is Done Results Test … by the placenta . In some areas, other blood tests may be used. Nuchal translucency test. This test uses ultrasound to …
Medical tests
… Allergy Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … response in a person. Skin tests are usually done because they are rapid, reliable, and generally less expensive … 3 mm (1/8 inch) larger than the reaction to the negative control. The larger the wheal, the more certain it is that …
Medical tests
… Awareness On this page: Test Overview Why It Is Done How To Prepare How It Is Done Risks Results Related … before you ovulate. For fertility awareness to be used as birth control, either you must not have sex or you must use …
Medical tests
… of the Abdomen On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … imaging (MRI) is a test done with a large machine that uses a magnetic field and pulses of radio wave energy to … organs for tumours, bleeding, or problems present since birth (congenital abnormalities). Find a blocked tube or …
Medical tests
… Myelogram On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … the spinal cord, weakness, numbness, paralysis, or loss of control of your bowel or bladder may develop. Also in rare …
Medical tests
… (EKG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … whether they occur at the same time you have symptoms. Because arrhythmias can come and go, it may be hard to record … of this test. If you're going to have electrode pads or a patch, take a shower or bath before the patch or pads are …
Medical tests
… (EKG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … are called ventricles. A natural electrical system causes the heart muscle to contract. This pumps blood through … such as pacemakers, are working. These devices help to control the heartbeat. Check the health of the heart when …
Medical tests
… (FSH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … is produced by the pituitary gland . In women, FSH helps control the menstrual cycle and the production of eggs by … You may be asked to stop taking medicines (including birth control pills) that contain estrogen or progesterone …
Medical tests
… Catheterization On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … catheterization is a test to check your heart. This test uses a thin, flexible tube called a catheter that is … to check for heart problems that have been present since birth ( congenital heart defect ). This test can include a …