超声心动图异常率36%，包括轻度肺动脉高压、心包积液、心肌病变等。
The incidence of heart abnormity was 36% with ultrasonic cardiography, including mild pulmonary artery hypertension, pericardial effusion and myocardiopathy.
超声心动图检查也可以引起错误的判断。剧烈运动可以引起短暂的左心室功能异常。
An echocardiogram also might be misleading. Vigorous exercise can bring on transient abnormalities in the functioning of the left ventricle.
超声心动图通常被用来诊断心室和瓣膜异常，对任何呼吸困难病因不明确的病人均可采用。
Echocardiography is usually diagnostic of abnormal ventricular or valvular function and should be performed in any patient in whom the cause of dyspnea is not readily apparent.
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