Robert .. What I do is google the common phrase the doctor says.. once i get the tech name for the procedure of condition I then google that term... there are a few great sites dealing with the heart WEBMD is always a good place to start.. I am sure Gail has loads of links ideas..<br />
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Now as far as abdominal ultrasound .......<br />
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Alternative names:  Ultrasound - abdomen; Abdominal sonogram<br />
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Definition :<br />
Abdominal ultrasound is an imaging procedure used to examine the internal organs of the abdomen including the liver, gallbladder, spleen, pancreas, and kidneys. The blood vessels to some of these organs can also be evaluated with the use of ultrasound techniques.<br />
The ultrasound machine sends out high-frequency sound waves that reflect off body structures to create a picture. Unlike with x-rays, there is no ionizing radiation exposure with this test.<br />
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How the test is performed:<br />
The test is done in the ultrasound or radiology department. You will be lying down for the procedure. A clear, water-based conducting gel is applied to the skin over the area being examined to help with the transmission of the sound waves. The ultrasound transducer (a handheld probe) is then moved over the abdomen.<br />
You may be asked to move to other positions so the health care provider can examine different areas. You may also be asked to hold your breath for short periods of time during the examination.<br />
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The procedure usually takes less than 30 minutes.