329 results found
Medical tests
… It Is Done A cardiac perfusion scan is done to: Find the cause of unexplained chest pain or pressure. Find the cause of … for several hours before the scan. You may be told to avoid alcohol, tobacco, and drinks that have caffeine for at least … for several hours before the scan. You may be told to avoid alcohol, tobacco, and drinks that have caffeine for at least …
Medical tests
… naturally become thinner as you grow older. This is because existing bone tissue is broken down faster than new bone … . Early menopause . Low levels of vitamin D. Heavy alcohol use. Z-score Your bone density value may also be … . Early menopause . Low levels of vitamin D. Heavy alcohol use. Z-score Your bone density value may also be …
Medical tests
… Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive … fear of enclosed spaces. Do not smoke or drink caffeine or alcohol for 24 hours before this test. Do not eat or drink … fear of enclosed spaces. Do not smoke or drink caffeine or alcohol for 24 hours before this test. Do not eat or drink …
Medical tests
… by testing a sample of your blood or urine. The test is used to see if you smoke or use other forms of tobacco. All forms of tobacco have … require a test before you can get insurance. This is because people who smoke tend to have higher health costs over …
Medical tests
… Overview Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to … an operating room. In some cases, contrast material may be used during the MRI scan to show certain structures more … resonance imaging (MRI) is done for many reasons. It is used to find problems such as tumours, bleeding, injury, …
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. …