329 results found
Medical tests
… Puncture) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … or medicines into the CSF. Medicines may be injected to treat leukemia and other types of cancer of the central … skin. Then a long, thin needle is put in the spinal canal. When the needle is in place, the solid central core of the …
Medical tests
… Barium Enema On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … a condition called ileocolic intussusception . This occurs when the end of a child's small intestine protrudes into the … movement) against the tube may help. Taking slow, deep breaths may also help. You may be given a shot of medicine to …
Medical tests
… Progesterone Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … the success of medicines for infertility or the effect of treatment with progesterone. Help determine whether ovulation … be taken each day for several days in a row. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… (TSH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … used to check for thyroid gland problems. TSH is produced when the hypothalamus releases a substance called … the pituitary gland or the hypothalamus). Keep track of treatment with thyroid replacement medicine for people who …
Medical tests
… Hearing Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … determines how loud the sound is (volume). Hearing happens when these sound waves travel through the ear and are turned … (cilia) in the cochlea. The movement of the hair cells creates nerve impulses. These nerve impulses then travel along …
Medical tests
… Breast Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … the tissues inside the breast. A breast ultrasound can show all areas of the breast, including the area closest to the … areas of your breast. How It Feels The gel may feel cold when it is put on your breast. You will feel light pressure …
Medical tests
… Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … a biopsy needle for a testicular biopsy. This may be done when testing for infertility . Check an injury to the … during the ultrasound scan. You may be asked to take a breath and hold it for several seconds during the scan. When …
Medical tests
… Gene (HFE) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … diabetes , infertility , heart failure , irregular heartbeats (arrhythmia), and arthritis . But many people do not … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Knowing the type of HSV can help you decide if you want treatment or what treatment might be best for you and your … Feels You are likely to feel some mild discomfort or pain when the sores are rubbed to collect a sample for testing. …
Medical tests
… Count On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … into mature red blood cells. The reticulocyte count rises when there is a lot of blood loss or in certain diseases in … is caused by fewer red blood cells being made or by a greater loss of red blood cells. Check how well bone marrow is …