329 results found
Medical tests
… the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT … dye called contrast material may be put in a vein ( IV ) in your arm or into the spinal canal. The dye makes structures … Over time, exposure to radiation may cause cancer and other health problems. But in most cases, the risk of getting …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … . The rest of it is passed out of the body in urine and your exhaled breath. Alcohol has a noticeable effect on the … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your stomach. It moves food and liquid down … your results with you in relation to your symptoms and past health. Medical Tests: Questions to Ask …
Medical tests
… Test Overview A contraction stress test checks to see if your baby will stay healthy during contractions when you are in labour. This … During a contraction, the blood and oxygen supply to your baby drops for a short time. This is not a problem for …
Medical tests
… much they are affected. These tests check to see how well your spinal nerves are working. They also check the nerves in your arms and legs. Why It Is Done You may need an EMG to … it done. Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of …
Medical tests
… armpits, and in the chest, belly, and groin. Lymph nodes in healthy people are usually hard to feel. But lymph nodes in … a microscope for problems. Fine-needle aspiration biopsy. Your doctor inserts a thin needle into a lymph node and removes a sample of cells. Core needle biopsy. Your doctor inserts a needle with a special tip and removes …
Medical tests
… These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology … help diagnose and evaluate different kinds of vision and health problems. Electroretinography (ERG) ERG measures the … problems of the retina. A full-field ERG can check how well your entire retina is working. A multifocal ERG (mfERG) …
Medical tests
… bone problems seen on an X-ray. An open bone biopsy allows your doctor to do surgical treatment at the same time, if needed. How To Prepare Before having a bone biopsy: Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of …
Medical tests
… a test that measures and records the electrical activity of your brain. Special sensors called electrodes are attached to your head. They're hooked by wires to a computer. The … To Prepare Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of …
Medical tests
… Test Overview Laryngoscopy is an examination that lets your doctor look at the back of your throat, your voice box (larynx) , and vocal cords with … on your own. Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of …
