207 results found
Medical tests
… Catecholamines in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … blood. This causes high blood pressure, excessive sweating, headaches, fast heartbeats (palpitations), and tremors. Why … infection (sepsis), illness, surgery, or traumatic injury, can cause high catecholamine levels. Many blood …
Medical tests
… Thyroid Scan On this page: Test Overview Why It Is Done How To Prepare How It Is … body. For this test, you will lie on your back with your head tipped backward and your neck extended. It is important … thyroid cancer scan, the camera will scan your body from head to toes. How long the test takes After you get the …
Medical tests
… Gonioscopy On this page: Test Overview Why It Is Done How To Prepare How It Is … sit, you will place your chin on a chin rest and your forehead against a support bar and look straight ahead. A … blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment of the iris. …
Medical tests
… Magnetic Resonance Imaging (MRI) of the Abdomen On this page: Test Overview Why It Is Done How To Prepare How It Is … will lie on a table that is part of the MRI scanner. Your head, chest, and arms may be held with straps to help you … the wrong place. The MRI also may show areas of scarring or injury. Growths are found, such as tumours that could be …
Medical tests
… Arterial Blood Gases (ABG) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … are deeper and are surrounded by nerves. You may feel light-headed, faint, dizzy, or nauseated while the blood is being … are deeper and are surrounded by nerves. You may feel light-headed, faint, dizzy, or nauseated while the blood is being …
Medical tests
… Spinal X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is … If the X-ray is being taken because of a possibly serious injury to your neck or back, a radiologist will look at the … before taking others. This is done to prevent causing more injury. If you have a neck brace (cervical collar) in place, …
Medical tests
… Thyroid and Parathyroid Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is … around your shoulders. Remove all jewellery from your head and around your neck. You will lie on your back on a … be seen on a video screen. You may be asked to turn your head away from the side being scanned so your jawbone is out …
Medical tests
… Thyroid-Stimulating Hormone (TSH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … hypothyroidism) may, in severe cases, have below-average intelligence. Older children also need thyroid hormones to grow and …
Medical tests
… Radioactive Iodine Uptake Test On this page: Test Overview Why It Is Done How To Prepare How It Is … For this test, you will lie on your back with your head tipped backward and your neck extended. It's important … Feels You may find it uncomfortable to lie still with your head tipped backward. Risks Anytime you're exposed to …
Medical tests
… Cardiac Catheterization On this page: Test Overview Why It Is Done How To Prepare How It Is … needed. You may be asked to hold your breath or move your head slightly. This helps to give clear views of the heart … can be life-threatening. They are more likely to occur in older people or in people who have health conditions that …