329 results found
Medical tests
… The following types of dental X-rays are commonly used. The X-rays use small amounts of radiation. Bitewing. These X-rays show … and lower back teeth in a single view. These X-rays are used to check for decay between the teeth and to show how …
Medical tests
… is a type of magnetic resonance imaging (MRI) scan that uses a magnetic field and pulses of radio wave energy to … of the blood vessel walls can be seen. The test is often used to look at the blood vessels that go to the brain, … is placed inside an MRI machine. Contrast material is often used during MRA to make blood vessels show up more clearly. …
Medical tests
… you take a temperature, read the instructions for how to use your type of thermometer. Oral (by mouth) is the most … common method of taking a temperature. This method can be used for children who are older than 5 years of age. For you … be able to breathe through their nose. If they can't, then use the rectum, ear, or armpit to take the temperature. …
Medical tests
… Information Test Overview A computed tomography (CT) scan uses X-rays to make detailed pictures of structures inside … In some cases, a dye called contrast material may be used. It may be put in a vein ( IV ) in your arm. Or it may … organs easier to see on the CT pictures. A CT scan can be used to study all parts of your body, such as the chest, …
Medical tests
… body. No instruments are inserted in the body. Doctors can use MRC to find gallstones before surgery to remove the … (laparoscopic cholecystectomy). But the test is most useful for diagnosing complications of gallstones. These … abscesses . The disadvantage of MRC is that doctors can't use it to remove gallstones. With ERCP (endoscopic …
Medical tests
… naturally become thinner as you grow older. This is because existing bone tissue is broken down faster than new bone … This is the most accurate way to measure bone density. It uses two different X-ray beams to estimate bone density in … as little as 2% of bone loss per year. It is fast and uses very low doses of radiation. Single-energy X-ray …
Medical tests
… the time it takes your blood to clot. A PTT test can be used to check for bleeding problems. Blood clotting factors … The partial thromboplastin time is an important test because the time it takes your blood to clot may be affected by: … activated partial thromboplastin time (APTT) test, may be used to find out if the right dose of heparin is being used. …
Medical tests
… long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to check whether medicine to prevent blood clots is … clotting factors. Prothrombin time is an important test because it checks to see if five different blood clotting …
Medical tests
… DNA from cells attached to the root of the hair. It can be used to find out if people are related. Forensic hair … and looked at under a microscope. Hair analysis can also be used to check for poisoning caused by metals such as lead or mercury. But hair analysis …
Medical tests
… imaging (MRI) is a test done with a large machine that uses a magnetic field and pulses of radio wave energy to … can also be made. In some cases, a contrast material may be used during the MRI scan to show certain structures more clearly in the pictures. The contrast material may be used to check blood flow, find some types of tumours, and …
