目的：探讨左房功能异常对急性心肌梗死的影响。
Objective: To explore the effects of left atrial function on acute myocardial infarction.
正常的左房功能对维持高血压病患者的左室功能十分重要。
The full left atrium function is essential to maintain the left ventricular force in hypertension patients.
结论SRI可定量评估扩张型心肌病患者左房功能的改变。
Conclusion SRI can quantitatively evaluate left atrial function of patients with dilated cardiomyopathy.
目的探讨左房压力-容量环在急性心肌缺血时的变化，了解左房功能的改变。
Objective To assess the change of left atrial pressure volume loop and left atrial function in the state of ischemia.
目的联合应用二维、M -型超声心动图与脉冲多普勒技术评价高血压左心室不同构型左房功能改变。
Objective To evaluate left atrial function by 2-de, M-mode and pulsed Doppler echocardiography in different patterns of left ventricular geometric models.
方法采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组左房功能及二尖瓣血流频谱指标。
Methods 2-de, M-mode and pulsed Doppler were used to measure left ventricular geometric models, left atrial function and mitral valve flow indices.
结论正常人中老年组较青年组左房扩大，心房内压力和储存功能增加，心房内血流速度及被动排空功能下降。
Conclusions in normal people, with the increase of age, left atrium size, pressure and reserve function increase, and the passive empty function is reduced in aged people.
结论左房灌注分数(LAF)可以比二尖瓣血流频谱更早的体现左室舒张功能的异常改变。
Conclusions LAF can indicate the echocardiographic changes of the left ventricular abnormal diastolic function in the earlier stage than mitral valve flow indices does.
结论左房构形及功能变化是高血压病心脏早期损害的重要指标。
Conclusion The changes of left atrial geometry and function are major index to early heart impairment with hypertension.
目的：探讨应变率成像(SRI)及三维超声成像(3 - DE)评价尿毒症患者左房收缩功能的临床价值。
Objective: to evaluate left atrial (LA) systolic function in patients with uremia by strain rate imaging (SRI) and real-time three dimensional echocardiography (3-de).
结论：左室肥厚、左房增大、心肌缺血、左室舒张功能减退是EH心律失常的预测因素。
Conclusion: left ventricular hypertrophy, myocardial ischemia, left atrial enlargement and the reduction of left ventricular function can be the predictor of the cardiac arrhythmia for EH.
结论：左室肥厚、左房增大、心肌缺血、左室舒张功能减退是EH心律失常的预测因素。
Conclusion: left ventricular hypertrophy, myocardial ischemia, left atrial enlargement and the reduction of left ventricular function can be the predictor of the cardiac arrhythmia for EH.
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