329 results found
Medical tests
… Information Test Overview Magnetic resonance imaging (MRI) uses a magnetic field and pulses of radio waves to make pictures of the breast. It does not use X-rays. MRI may show problems in the breast that can't … lumps. In most cases, a dye ( contrast material ) may be used so that abnormalities can be seen more clearly from …
Medical tests
… 5 days before you ovulate. For fertility awareness to be used as birth control, either you must not have sex or you must use another method of birth control for 8 to 16 days of … unplanned pregnancies is 24 out of 100 women who typically use fertility awareness. But this method can be very helpful …
Medical tests
… material. A special type of X-ray, called fluoroscopy , is used to take pictures of the joint. An arthrogram is used to check a joint to find out what is causing your … or problem with your joint. An arthrogram may be more useful than a regular X-ray because it shows the surface of …
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. …