Abstract
Dipyridamole is a potent coronary arteriolar vasodilator that has been employed in combination with thallium-201 imaging for the detection of coronary artery disease [1]. Since a coronary stenosis may significantly reduce the regional coronary reserve without inducing ischemia, the presence of coronary artery disease can be documented by the different uptake of a flow tracer, such as thallium 201. Theoretically, myocardial ischemia is not required for the dipyridamole-thallium test to be positive. However, dipyridamole infusion can also induce myocardial ischemia in the presence of a coronary obstruction. This has been shown by a large amount of experimental [2] and clinical [3–5] evidence. At a dosage of 0.75 mg/kg over 10 min, the electrocardiogram (ECG)-dipyridamole stress test has been proposed for the diagnosis of coronary artery disease, with a diagnostic accuracy comparable to the exercise stress test and an overall sensitivity (ECG changes and/or anginal pain) of ~80% [5],
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© 1988 Kluwer Academic Publishers. Boston/Dordrecht/Lancaster
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Picano, E. (1988). Dipyridamole-Echocardiography Test. In: Visser, C.A., Kan, G., Meltzer, R.S. (eds) Echocardiography in Coronary Artery Disease. Developments in Cardiovascular Medicine, vol 80. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1767-8_6
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DOI: https://doi.org/10.1007/978-1-4613-1767-8_6
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