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What is Lexiscan?

Lexiscan is a medicine that is used during a nuclear heart stress test to dilate, or open up, the arteries. All normal arteries are able to do that. But if you have a blocked artery, it cannot dilate. When doctors order cardiac imaging tests, they are looking for the relative lack of blood flow. They compare normal to abnormal. If all the arteries are normal, that’s good. But if there’s one artery that’s blocked, Lexiscan allows them to see a difference between that artery and the normal arteries.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.