Myocardial perfusion imaging using radionuclides is a well-established protocol for
determining the diagnosis, prognosis, and management of coronary artery disease …

This article presents the exciting advances made and ongoing in the area of pharmacologic
cardiac stress testing. In particular, new A2A-specific receptor agonists work like adenosine …

Regadenoson is an adenosine A 2A receptor agonist approved for use as a pharmacologic
stress agent for radionuclide myocardial perfusion imaging in patients unable to undergo …

Regadenoson is a selective A2A receptor agonist approved for use as a pharmacologic
stress agent for myocardial perfusion imaging after several multicenter trials demonstrated …

Adenosine and dipyridamole, the currently available vasodilators for myocardial perfusion
imaging, produce hyperemic coronary flow by stimulating A2A adenosine receptors on …

Pharmacologic stress testing uses vasodilators to provide objective evidence of myocardial
ischemia. Adenosine and dipyridamole are nonselective adenosine receptor agonists that …

Selective adenosine receptor agonists have several advantages for use as stress agents in
conjunction with myocardial perfusion imaging compared to the non selective agents such …

Myocardial perfusion imaging is a well-established noninvasive modality for the diagnosis
and prognosis of coronary artery disease. The pharmacologic stress agents adenosine and …

Pharmacologic stress myocardial perfusion imaging is being performed with increasing
frequency over exercise stress. Dipyridamole and adenosine have a high side-effect profile …

Objectives: Regadenoson, a selective A2Aadenosine receptor agonist, was evaluated for
tolerability and effectiveness as a pharmacological stress agent for detecting reversible …