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Myocardial perfusion imaging (MPI) refers to the utilization of radiotracers to image regional myocardial perfusion from coronary artery blood flow to the heart muscle. Used effectively, MPI can provide the clinician with a noninvasive technique that yields both important diagnostic and powerful prognostic information regarding the functional significance of anatomic coronary artery disease. MPI can help guide therapeutic decision-making by stratifying patients with respect to future risk for adverse outcomes.

Myocardial Perfusion Imaging: From Diagnosis to Prognosis