How accurate are noninvasive myocardial perfusion studies?
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In general, stress echocardiography (SE) has a higher sensitivity than myocardial perfusion imaging (MPI) (SOR: A, meta-analysis). Myocardial contrast echocardiography (MCE) is also an accurate noninvasive test that may be used for the diagnosis of coronary artery disease (CAD) (SOR: A, meta-analysis). Combining perfusion and echo studies may increase overall sensitivity, but will reduce specificity (SOR: B, cohort study).
Evidence Based Practice 15(10) 2012: 02.