高血压患者有较高心律失常的发生率，房性心律失常可能与左房扩大或心房纤维化有关。

Hypertensive patients have a higher incidence of atrial arrhythmia which might be related to atrial enlargement or fibrosis.

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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.

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左房扩大、左室肥厚性重塑与孤立性房颤的关系不如与高血压房颤密切，孤立性房颤发生的危险因子不同于高血压房颤。

Lone atrial fibrillation has a weaker relation to left atrium enlargement and left ventricular hypertrophic remodeling than atrial fibrillation does in hypertensive patients.

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