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Coffee in Health and Disease Prevention by Victor R. Preedy

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Chapter 76

Caffeine and SPECT Myocardial Perfusion Imaging

Furqan H. Tejani1,  and Sarita Konka2     1Department of Cardiology, Maimonides Medical Center, Brooklyn, NY, USA     2Department of Medicine, Maimonides Medical Center, Brooklyn, NY, USA

Abstract

Coffee is the most widely consumed caffeine product in the United States. Caffeine, being a methylxanthine, exerts antagonist effects on adenosine receptors. Because coronary artery disease is a highly prevalent disease in the United States and intermediate-risk patients are evaluated using cardiac stress testing, the interaction between caffeine and adenosine receptors becomes more important. This is due to the mechanism of vasodilator agents used in these single-photon emission computed tomography ...

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