Non-invasive determination of systolic blood pressure by heart sound pattern analysis.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics Pub Date : 1992-08-01 DOI:10.1088/0143-0815/13/3/004

A Bartels, D Harder

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引用次数: 32

Abstract

A new concept of non-invasive blood pressure measurement by heart sound pattern analysis is described. The known diagnostic criterion of the 'accentuated' second heart sound of a hypertensive patient is here converted into a computer-aided pattern-recognition process for the second heart sound, applicable over the entire scale of blood pressure. After a 'learning phase', during which the second heart sound is recorded, analysed and correlated with a set of systolic blood pressure values of the individual patient, the computer is able to determine systolic blood pressure of the same patient from the acoustic spectrum of the second heart sound with sufficient precision. The method is in principle suited for automatically repeated blood pressure measurements, but further development is still needed for conversion into a widely practicable procedure.

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心音模式分析无创测定收缩压。

提出了一种利用心音模式分析进行无创血压测量的新概念。已知的高血压患者第二心音“加重”的诊断标准在这里被转换为第二心音的计算机辅助模式识别过程，适用于整个血压范围。经过一个“学习阶段”，在此期间，第二个心音被记录，分析并与个体患者的一组收缩压值相关联，计算机能够从第二个心音的声学频谱中以足够的精度确定同一患者的收缩压。该方法原则上适用于自动重复的血压测量，但仍需进一步发展才能转化为广泛实用的程序。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics

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