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目的探讨心率波动(HRV)及心率(HR)对在宽探测器扫描器上行前瞻性心电门控冠状动脉成像(CCTA)的图像内的运动伪影及图像间的梯形伪影的影响。材料与方法 66例病人行256层CT前瞻性心电门控CCTA。根据心率分为
Objective To investigate the effects of heart rate variability (HRV) and heart rate (HR) on motion artifacts and trapezoidal artifacts in images of wide prospective ECG-gated coronary angiography (CCTA) with wide detector scanners. Materials and Methods Sixty - six patients underwent 256 - slice CT prospective ECG gating. Divided according to heart rate