329 results found
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 …
Medical tests
… Test Overview An ultrasound is a type of imaging test that uses sound waves. It takes pictures of the organs and other structures in your body. It can be used in different areas such as the belly, the pelvis, or … Done An ultrasound is done for several reasons. It may be used to look for a blocked blood vessel. It may be used to …
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, 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 …
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 …
Medical tests
… a simple hand-held device. If the device is calibrated and used according to the manufacturer's directions, it can … available. You can get simple devices meant for home use and professional devices like those used by police for suspected drunk drivers. Within minutes …
Medical tests
… Overview Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to … be made. In some cases, a dye ( contrast material ) may be used during the MRI to show pictures of structures more … and show areas of inflammation. An MRI of the head may be used to look for the cause of headaches. Why It Is Done …
Medical tests
… from carbohydrate foods . It is the main source of energy used by the body. Insulin is a hormone that helps your body's cells use the glucose. Insulin is produced in the pancreas and … levels increase slightly after you eat. This increase causes your pancreas to release insulin so that your blood …
Medical tests
… page: Test Overview Test Overview Radioactive tracers are used in imaging tests that help find problems inside the … collect in a certain organ or area. The types of tests that use radioactive tracers include positron emission tomography … That's the case even with the low-level radioactive tracer used for this test. But the chance of damage is very low …
