329 results found
Medical tests
… Doppler Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is … that can quickly check the extent of blood vessel damage or disease. Duplex Doppler. This test uses standard … the Doppler sounds into colours that are overlaid on the image of the blood vessel. These colours show the speed and …
Medical tests
… Spinal Tap (Lumbar Puncture) On this page: Test Overview Why It Is Done How To Prepare How It Is … the brain or spinal cord (such as subarachnoid hemorrhage ). Diagnose certain diseases of the brain and spinal … is taken out and the puncture site is cleaned and bandaged. Following a spinal tap, you may be told to lie flat in …
Medical tests
… Nuchal Translucency Screening Test On this page: Test Overview Health Tools Why It Is Done How To … against the gel on your skin and moved over your belly. Images of the baby are displayed on a monitor. The … against the gel on your skin and moved over your belly. Images of the baby are displayed on a monitor. The …
Medical tests
… Coombs Test On this page: Test Overview Why It Is Done How To Prepare How It Is …
Medical tests
… DHEA-S Test On this page: Test Overview Why It Is Done How To Prepare How It Is … in the blood. Testosterone affects sexual features and development. In men, it is made in large amounts by the … in the blood. Testosterone affects sexual features and development. In men, it is made in large amounts by the …
Medical tests
… Testicular Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is … testicles, varicoceles, and mumps. Sometimes sperm development looks normal, but a semen analysis test shows … testicles, varicoceles, and mumps. Sometimes sperm development looks normal, but a semen analysis test shows …
Medical tests
… Phenylketonuria (PKU) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … is an amino acid that is needed for normal growth and development. If a baby's body does not have the enzyme that … is an amino acid that is needed for normal growth and development. If a baby's body does not have the enzyme that …
Medical tests
… Hepatitis C Virus Tests On this page: Test Overview Why It Is Done How To Prepare How It Is … results may be negative even though you are in the early stage of an infection. Medical Tests: … results may be negative even though you are in the early stage of an infection. Medical Tests: …
Medical tests
… Tonometry On this page: Test Overview Why It Is Done How To Prepare How It Is … the nerve in the back of the eye ( optic nerve ). Damage to the optic nerve may be caused by a buildup of fluid … readings have been obtained, a beep will sound, and the averaged IOP measurement will appear on the instrument's display …
Medical tests
… Hepatitis A Virus Test On this page: Test Overview Why It Is Done How To Prepare How It Is …
