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 … are washed in special chemicals before testing. DNA profiles Hair samples for DNA analysis will be gathered by … are washed in special chemicals before testing. DNA profiles Hair samples for DNA analysis will be gathered by …
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
… 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
… 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 …
Medical tests
… of a regular eye examination. To do the test, the doctor uses a light and a magnifying tool. Why is a dilated eye … to look for eye problems and eye diseases. It also can be used to find other problems, such as head injuries or brain … you are allergic to any type of eyedrops. Your doctor will use eyedrops to widen (dilate) your pupils. This makes it …
Medical tests
… these smaller parts to find a health problem. CK might be used to help diagnose a heart attack. This topic focuses on CK tests for other reasons than heart attack. Why It Is Done Many things can cause an increase in total creatine kinase (CK) and in the …
