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