Magnetic resonance angiography (MRA) is an MRI exam of the blood vessels. Unlike traditional angiography that involves placing a tube (catheter) into the body, MRA is noninvasive.| medlineplus.gov
A chest MRI (magnetic resonance imaging) scan is an imaging test that uses powerful magnetic fields and radio waves to create pictures of the chest (thoracic area). It does not use radiation (x-rays).| medlineplus.gov
A head MRI (magnetic resonance imaging) is an imaging test that uses powerful magnets and radio waves to create pictures of the brain and surrounding tissues.| medlineplus.gov
A stent is a tiny tube placed into a hollow structure in your body. This structure can be an artery, a vein, or another structure, such as the tube that carries urine (ureter). The stent holds the structure| medlineplus.gov
Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside the body. Read about the use of MRI scan.| medlineplus.gov
X-rays are a type of electromagnetic radiation, just like visible light.| medlineplus.gov
