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Exercise Myocardial Perfusion Imaging

Cardiovascular Nuclear Imaging Laboratory, Department of Diagnostic Radiology (Section of Nuclear Medicine) and Department of Internal Medicine (Section of Cardiovascular Medicine), Yale University School of Medicine, New Haven, Connecticut

Correspondence: For correspondence or reprints contact Frans J. Th. Wackers, MD, PhD, Cardiovascular Nuclear Medicine, 333 Cedar St TE-2, Yale University School of Medicine, New Haven, CT 06520-8042.

ABSTRACT

The role of physical exercise in myocardial perfusion imaging is critical for two reasons: (1) stress is essential to create heterogeneity of blood flow in myocardial regions supplied by normal versus stenosed coronary arteries and (2) exercise data provide invaluable information that can influence the interpretation of perfusion images. Image interpretation and correlation with exercise data provide important prognostic information on a patient's risk for subsequent cardiac events.

Key Words: myocardial perfusion imaging • coronary artery disease • risk stratification

FOOTNOTES

This paper was presented in part at the Annual Meeting of the Society of the Nuclear Medicine on June 9, 1993, as part of a Continuing Medical Education Seminar organized by the Cardiovascular Council.