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多层CT能可靠地显示冠状动脉,但由于其时间分辨率只有165ms,故当心率大于65次/min时所产生的心脏搏动伪影将其应用范围限制在低心率的病人。对应用双源
Multi-slice CT can reliably display the coronary arteries, but because of its temporal resolution of only 165 ms, cardiac beat artifacts created when the heart rate is greater than 65 beats / min limit their range of application to patients with low heart rates. Dual source applications