Method and apparatus for diagnosing myocardial infarction in human heart
    1.
    发明授权
    Method and apparatus for diagnosing myocardial infarction in human heart 失效
    用于诊断人心脏心肌梗塞的方法和装置

    公开(公告)号:US3799147A

    公开(公告)日:1974-03-26

    申请号:US23744272

    申请日:1972-03-23

    发明人: ADOLPH R STEPHENS J

    IPC分类号: A61B5/0436 A61B7/00 A61B5/02

    CPC分类号: A61B7/00 A61B5/0436

    摘要: Apparatus and method for diagnosing myocardial infarction predicated on analysis of the acoustical frequency spectrum of the human heart during the isovolumic contraction phase of the cardiac cycle for the purpose of detecting a shift in the predominant frequency component of the spectrum from a 30-50 cps frequency band, typical of a noninfarcted heart, to a 20-40 cps frequency band, indicative of an infarcted heart.

    摘要翻译: 用于诊断心肌梗塞的装置和方法,其基于在心脏周期的等容收缩期期间对人心脏的声频谱的分析,以便检测频谱的主要频率分量从30-50cps频率的偏移 频带,典型的非梗死心脏,到20-40厘米的频带,指示梗死的心脏。