329 results found
Medical tests
… Scan On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … or pressure). It may be done after a heart attack to see if areas of the heart are not getting enough blood or to find …
Medical tests
… Head On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … or computed tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) … show blood flow, look for some types of tumours, and show areas of inflammation. An MRI of the head may be used to …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … by other tests, such as an MRI or a CT scan. How To Prepare Your doctor will tell you if you need to change how much …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … is a procedure that looks at the space behind your breastbone and between your lungs. This area is called the mediastinum (say "mee-dee-ya-STY-num"). …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … of thyroid tissue can be taken by: Fine-needle biopsy. Your doctor puts a thin needle through the skin and into the … ultrasound test or a radioactive thyroid scan. How To Prepare You may have a needle or open biopsy. Needle biopsy. You …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … Making a cut (incision) through the skin to expose an area of the bone ( open biopsy ). General anesthesia or … bone problems seen on an X-ray. An open bone biopsy allows your doctor to do surgical treatment at the same time, if …
Medical tests
… Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check … as a routine part of an eye examination for people who already wear glasses or contact lenses. But it will also be …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance or both into the area around the original cancer site. The dye or tracer …
Medical tests
… Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … difficile (C. diff) are bacteria that live in your large intestine, or colon, all the time. They usually … for cancer. The C. diff toxins test looks at a stool sample to see if those toxins are present. A positive …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … Test Overview A voiding cystourethrogram (say "sis-toh-you-REE-throh-gram") is a test that is done to see if there are problems with the urinary system and to see how urine …
