Earpiece method - Earpiece method

Japanese: イアピース法 - いあぴーすほう
Earpiece method - Earpiece method

...At the recording site, blood is drawn into a small, thin container (cell) called a cuvette at a constant rate, and a dye dilution curve is continuously recorded using a photoelectric colorimeter equipped with a color filter. There is also a simple method (earpiece method) in which the earlobe is used as a cell to observe the changes after the blood passes through the earlobe. This method can roughly determine cardiac output, cardiac transit time, and the degree of abnormal shunting within the heart due to congenital heart disease and regurgitation due to valvular heart disease.

*Some of the terminology that refers to the "earpiece method" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…記録部位ではキュベットcuvetteと呼ぶ小さな薄い容器(セル)に血液を一定速度で吸引し,色フィルターをつけた光電比色計によって色素希釈曲線を連続的に記録する。また耳介(耳たぶ)をセルにみたてて耳介を通過した後の変化を観察する簡便法(イアピース法earpiece method)もある。本法により,心拍出量,心臓通過時間,先天性心臓病に伴う心臓内の異常な短絡および心臓弁膜症に伴う逆流の程度をおおまかに知ることができる。…

※「イアピース法」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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