329 results found
Medical tests
… Overview A dilated eye examination lets your eye doctor see the back of your eye ( retina ). It's usually done as part of a regular eye examination. To do the test, the doctor uses a light and a magnifying tool. Why is a dilated eye …
Medical tests
… Test Overview Body temperature is a measure of how well your body can make and get rid of heat. The body is very … change a lot. When you are too hot, the blood vessels in your skin widen to carry the excess heat to your skin's … you take a temperature, read the instructions for how to use your type of thermometer. Oral (by mouth) is the most …
Medical tests
… Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the eye that's most responsible for your vision. Common imaging methods include: Colour and …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … in the air that you breathe out (exhale). You can measure your own breath alcohol level with a simple hand-held device. If the device is calibrated and used according to the manufacturer's directions, it can …
Medical tests
… Test Overview Bronchoscopy is a procedure that allows your doctor to look at your airway through a thin viewing device called a … are two types of bronchoscopy. Flexible bronchoscopy. It uses a long, thin, lighted tube to look at your airway. The …
Medical tests
… Overview Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to … to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … ride home. It may be unsafe for you to drive or get home on your own. How It Is Done Before the test You will need to …
Medical tests
… is a surgical procedure that lets a doctor look inside your joints. The doctor uses a thin viewing tool called an arthroscope, or scope. It … and wrist. During arthroscopy , the arthroscope is put into your joint through a small cut (incision) in the skin. The …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This test is used to check for glaucoma , an eye disease that can cause … eye. Tonometry measures IOP by recording the resistance of your cornea to pressure (indentation). Eyedrops to numb the …
Medical tests
… The following types of dental X-rays are commonly used. The X-rays use small amounts of radiation. Bitewing. … Dental X-rays are scheduled when you need them based on your age, risk for disease, and signs of disease. Why It Is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Dental X-rays are …
Medical tests
… is a type of magnetic resonance imaging (MRI) scan that uses a magnetic field and pulses of radio wave energy to … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get …
