271 results found
Medical tests
… and travels throughout your body and to your brain. This allows blood alcohol levels to increase quickly. The amount of … meter shows your BAC in a digital display window after you blow into a mouthpiece attached to the meter. This type of … driving abilities. Your driving may be impaired even with a low BAC level, such as below 0.05. The breath alcohol test …
Medical tests
… and movements. How It Is Done For the test, you will lie back on a padded examination table. Two elastic belts with … away. It depends on the reason for the test. You can go back to your usual activities right away. How It Feels This test is painless. It uses only monitor sensors, which are placed on …
Medical tests
… pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … will watch you through a window, and you'll be able to talk back and forth. If contrast material is needed, the … can take as long as 2 hours. How It Feels You won't have pain from the magnetic field or radio waves used for the MRI …
Medical tests
… These tests are not thyroid hormone tests. High or low levels of thyroid hormones also can be signs of thyroid … after thyroid hormone tests to find the cause of high or low levels of thyroid hormones. High levels of these … if you have a goiter or symptoms of thyroid disease. The following tests may be done: Antithyroid peroxidase antibody: …
Medical tests
… prepare for your procedure. Preparing for the procedure Follow the instructions exactly about when to stop eating and … of the procedure, take them with only a sip of water. Follow your doctor's instructions about when to bathe or shower … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get …
Medical tests
… with other tests to see if the cancer has grown or come back. How To Prepare In general, there's nothing you have to … rising CEA may be the first sign that cancer has come back after treatment. Also, people with advanced cancer or … with other tests to see if the cancer has grown or come back. How To Prepare In general, there's nothing you have to …
Medical tests
… gland is found in front of the windpipe (trachea), just below the voice box (larynx). A sample of thyroid tissue can … Be sure you have someone to take you home. Anesthesia and pain medicine will make it unsafe for you to drive or get … your doctor's office. During the test, you will lie on your back with a pillow under your shoulders, your head tipped …
Medical tests
… eye. Here are some common tests that check for blurred or low vision. Visual acuity (sharpness) tests. These tests … can't focus exactly on the nerve layer ( retina ) at the back of the eye. This causes blurred vision. Refraction is … the other visual acuity tests show that your eyesight is below normal and can be corrected by glasses. Visual field …
Medical tests
… see on the CT pictures. The dye may be used to check blood flow and look for tumours, areas of inflammation , or nerve … takes a few minutes. How It Feels The test will not cause pain, but some people feel nervous inside the CT scanner. If … cancer from being exposed to small amounts of radiation is low. It is not a reason to avoid these tests for most …
Medical tests
… Blood vessels. Using MRI to look at blood vessels and the flow of blood through them is called magnetic resonance … will watch you through a window, and you'll be able to talk back and forth. If contrast material is needed, the … can take as long as 2 hours. How It Feels You will not have pain from the magnetic field or radio waves used for the MRI …
