329 results found
Medical tests
… you wear them). Several types of visual acuity tests may be used. Refraction test. This test shows your level of … the nerve layer ( retina ) at the back of the eye. This causes blurred vision. Refraction is done as a routine part of … eyeglass prescription, bring it with you. If you have a young child who is being tested, it's best to practice eye …
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. …
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 … Fever or Chills, Age 11 and Younger Fever or Chills, Age 12 and Older Heat-Related …
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, …
