Objective To investigate the clinical significance of ventricular septal defect (VSD) closure under the guidance of transthoracic echocardiography (TTE).

目的研究体表超声(tte)导引介入治疗室间隔缺损(VSD)的临床意义。

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Objective To investigate the changes of left atrial function before and after Off-pump coronary artery bypass (OPCAB) using transthoracic echocardiography (TTE) and acoustic quantification (AQ).

目的应用经胸超声心动图(tte)声学定量技术(AQ)检测非体外循环冠状动脉搭桥术(OPCAB)前后左心房功能的变化。

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Objective This study was designed to evaluate diagnostic value of pulmonary embolism (PE) based on unexplained pulmonary hypertension by transthoracic echocardiography (TTE).

目的探讨经胸超声心动图(tte)检出“不明原因”肺动脉高压在肺栓塞(PE)诊断中的价值。

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