第三个心声的起源. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. II. 研究人类受试者的研究
Circulation
|February 1, 1983
概括
人类的第三次心声 (S3) 是由于在早期透气期间左心室壁扩张的突然限制引起的. 这种限制造成了在心脏顶部非侵入性检测到的负冲动.
科学领域:
- 心脏病学 心脏病学
- 身体生理学 身体生理学
- 生物医学工程 生物医学工程
背景情况:
- 第三个心声 (S3) 是一个常见的临床发现,但它的确切机制仍在争论中.
- 了解S3的起源对于诊断各种心脏疾病至关重要.
研究的目的:
- 阐明人类第三次心声 (S3) 的基本机制.
- 为了将非侵入性发现与侵入性血液动力学测量相关联.
主要方法:
- 在心脏顶部使用皮肤表面加速度计进行非侵入性评估.
- 侵袭性心脏导管治疗与左心室尺寸 (长轴和短轴) 的框架对框架分析,在早期透气.
主要成果:
- 在S3患者的非侵入性追踪显示,在快速填充过程中,明显的负冲动.
- 侵袭性研究表明,长轴填充发生在短轴填充之后.
- 这个时间序列有助于解释相对于最大短轴填充的S3生产时间.
结论:
- 第三个心声 (S3) 是由纵向左心室扩张的突然内在限制产生的.
- 这种限制导致可检测的负冲动传递到皮肤表面.
相关概念视频
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