the incident cau 这一事件 ; 事件
Methods Retrospective analysis was made in 4 patients with acu te cardiac tamponade during cardiac interventional therapy to investigate the cau ses of the cardiac tamponade.
方法回顾性分析在心脏介入治疗中并发急性心脏压塞的患者4例，并重点分析导致心脏压塞的原因。
The author believes that the interference level cau- sed by a semi-bridge connection is lower than that by a fully-bridged connection, and a semi-bridge wiring plan is better suited for strain tests.
对于桥路的选择作了分析，认为半桥连接比全桥连接的干扰电平低，建议在应变测试中采用半桥连接电路；
The accuracy of CT predicting of the level and cau se of biliary obstruction was the same as that of DC However, CT can correctly evaluate the resectability of malignant obstruction.
CT对阻塞的定位、定性有与直接胆管造影同样高的准确性，但CT还能对恶性胆道阻塞的手术切除可行性作出相当可靠的估价。
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