329 results found
Medical tests
… Vision Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … you wear them). Several types of visual acuity tests may be used. Refraction test. This test shows your level of … examination to screen for vision problems. How often you should have routine eye examinations changes as you age. …
Medical tests
… (CT) Scan of the Head and Face On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … Information Test Overview A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During … may need to take off any jewellery, glasses, and hearing aids. Wear comfortable, loose-fitting clothes. During the …
Medical tests
… Magnetic Resonance Imaging (MRI) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … Overview Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to … (MRI) of the Knee Magnetic Resonance Imaging (MRI) of the Shoulder Magnetic Resonance Imaging (MRI) of the Spine …
Medical tests
… Overnight Dexamethasone Suppression Test On this page: Test … levels high during this test. Examples include alcohol use disorder , stress, obesity, kidney failure, pregnancy, … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Catecholamines in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … increase the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Catecholamines in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … glands called a pheochromocytoma . Tumours like this can cause your adrenal glands to release too many hormones. And … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Hearing Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … This organ is called the cochlea. Sound vibrations cause the fluid in the inner ear to move, which bends tiny … Talk to your doctor about whether your child has been or should be tested. To screen children and teens for hearing …
Medical tests
… Prealbumin Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … helps carry certain hormones that regulate the way the body uses energy and other substances through the blood. When … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Electronystagmography (ENG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … brain, or nerves connecting them work. These problems may cause dizziness , vertigo , or loss of balance. Nystagmus … follow a moving point of light with only your eyes. You should not move your head during this part of the test. …
Medical tests
… Fetal Heart Monitoring On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … held in place with elastic belts on your belly. One sensor uses reflected sound waves (ultrasound) to keep track of … rate monitoring: Nomenclature, interpretation, and general management principles. ACOG Practice Bulletin No. 106. …
