Conclusion The optimal R-R phase of retrospectively ECG-gated reconstruction images can decrease the artifacts of cardiac motion and improve the reconstructive image quality of coronary arteries.
结论选择回顾性心电门控最佳R R时相重建冠状动脉可以最大限度减轻心脏运动伪影，提高图像质量；
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Objective To evaluate retrospective cine ECG-gated multislice CT (ECG-MSCT) scanning in reducing cardiac motion artifacts and in improving image quality of the lung.