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Taking the stress out of choosing the right stress test
Date:10/11/2007

ts alone must be used to perfuse the heart.

However, the physicians note that the best images are produced in patients who can also exercise, which pulls blood from the abdomen to the heart, resulting in sharper images. In fact, the MCG researchers have shown pharmacologic agents work even better when given after exercise has started.

Picking the right pharmacologic agent can even be an issue. For example, the two most popular agents adenosine and dipyridamole can increase problems such as wheezing, says Dr. Patel. In patients with those problems, physicians opt for dobutamine, the least used agent because it creates a catecholamine surge that causes the heart to shake and blood pressure to rise and can be harmful in patients at high risk of a heart attack.


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Contact: Toni Baker
tbaker@mcg.edu
706-721-4421
Medical College of Georgia
Source:Eurekalert

Page: 1 2 3

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