329 results found
Medical tests
… Glucose Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … from carbohydrate foods . It is the main source of energy used by the body. Insulin is a hormone that helps your …
Medical tests
… Breath Alcohol On this page: Test Overview Why It Is Done How It Is Done How It Feels Risks Results Test Overview … a simple hand-held device. If the device is calibrated and used according to the manufacturer's directions, it can …
Medical tests
… Ophthalmoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … doctor can also see other structures in the eye. The doctor uses a magnifying tool called an ophthalmoscope and a light …
Medical tests
… Count (CBC) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … very quickly. The number of white blood cells is sometimes used to find an infection or to see how the body is dealing … helps stop the bleeding. If there are too few platelets, uncontrolled bleeding may be a problem. If there are too many …
Medical tests
… Abdominal X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … X-ray may be one of the first tests done to find a cause of belly pain, swelling, nausea, or vomiting. And other …
Medical tests
… Retinal Imaging On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, …
Medical tests
… Facial X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … sinus X-ray series) looks at the air-filled cavities (sinuses) around the nose and eyes. A facial X-ray helps find …
Medical tests
… Gene (HFE) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an inherited …
Medical tests
… Galactosemia Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … to change galactose into glucose, a sugar that your body uses for energy. A person with galactosemia doesn't have one …
Medical tests
… Clearance On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … of blood creatinine and blood urea nitrogen (BUN) can be used to find the BUN-to-creatinine ratio. This ratio can …