Objective To compare the value of estimating embolic risk in atrial fibrillation between the two methods: transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE).

目的比较经胸超声心动描记术（TTE）和经食管超声心动描记术（TEE）评价房颤栓塞危险性的价值。

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Objective To study the diagnostic yields of transesophageal and transthoracic echocardiography (TEE and TTE) in the detection of cardiac sources of embolism.

目的研究经食管超声心动图TEE及经胸超声心动图TTE对心源性脑卒中诊断的临床意义。

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Objective To compare the diagnostic accuracy of congenital and acquired heart disease with transthoracic (TTE) and transesophageal (TEE) echocardiography.

目的比较经胸超声心动图(tte)与经食管超声心动图(T EE)对先天性与获得性主动脉瓣病变诊断的准确率。

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