Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Duplex Vascular Studies - Blood Flow Studies
Overview & Description
This test measures blood flow through an artery or vein.
Who is a candidate for the test?
The test is done to find out if certain blood vessel diseases are present. A doctor may order this test if any of the following conditions are suspected:
How is the test performed?
Clothing is removed from the area under study. Detectors are placed on the skin at specific points over the blood vessel being tested. The detectors use special sound waves that are bounced of the blood vessels and blood inside the vessels. The detectors send the information to a monitor, where it is processed and recorded. This test causes no pain and does not expose people to harmful radiation.
Preparation & Expectations
What is involved in preparation for the test?
Generally, no preparation is required. A healthcare provider can give any instructions if needed.
Results and Values
What do the test results mean?
Abnormalities in the pattern of blood flow can mean different things. Some common causes of abnormalities include:
Attribution
Author:David T. Moran, MD
Date Written:
Editor:Keefe, Sandy, RN, MSN
Edit Date:05/10/00
Reviewer:Adam Brochert, MD
Date Reviewed:05/01/01