Magnetic Resonance Angiogram (MRA) uses a magnetic field and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide information that cannot be obtained from an X-ray, ultrasound, or CT scan.
MRA can find problems with the blood vessels that may be causing reduced blood flow. With MRA, both the blood flow and the condition of the blood vessel walls can be seen. The test is often used to look at the blood vessels that go to the brain, kidneys, and legs.
Ultrasound imaging, also called ultrasound scanning or sonography, obtains images from inside the human body through the use of high-frequency sound waves. The reflected sound wave echoes are recorded and displayed as real-time visual images. Radiation is not used in ultrasound imaging.
Our ultrasound unit performs a wide range of exams including abdominal and obstetrical studies. Ultrasound may also be used to guide a breast biopsy procedure. The procedure is known as an ultrasound-guided breast biopsy procedure.
An X-ray is a form of radiation, like light or radio waves, which can be focused into a beam. When X-rays strike a piece of photographic film or a screen, a picture is produced. Dense tissues in the body, such as bones, block (absorb) many of the X-rays and appear white on an X-ray picture.
Less dense tissues, such as muscles and organs, appear in shades of gray, while X-rays that pass only through air, such as X-rays of the lungs or colon, appear black.
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