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. 2013 Apr 10;15(1):30. doi: 10.1186/1532-429X-15-30

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Copyright © 2013 Boldt et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Diagnostic algorithms. Diagnostic algorithms for patients (Pt) presenting with suspected coronary artery disease (CAD). In algorithm A, cardiovascular magnetic resonance (CMR) was performed first and patients were referred for invasive coronary angiography (Angio) only if CMR was positive or non-diagnostic (NDx). Patients with false-negative test results were at risk for myocardial (MI) or death from undetected CAD. Diagnostic algorithm B had the same basic structure as algorithm A, but involved single-photon emission computed tomography (SPECT) instead of CMR. Algorithm C used invasive coronary angiography as the first and only test to diagnose CAD.