…In cases of myocardial hypertrophy such as aortic stenosis and hypertension, the apex pulsation is felt as a sustained pulsation. Apexcardiography shows this apex pulsation on an oscillograph, which is an objective representation of the visual and palpation findings of the apex pulsation. The apex cardiogram shows a waveform similar to the left ventricular pressure, but unlike the change in internal pressure, it captures the systolic outward movement of the left ventricular apex as a pulsation from the anterior chest wall, and of course its meaning is different. … *Some of the terminology explanations that mention "apexcardiography" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その他,大動脈狭窄症,高血圧症等心筋肥大例では擡起(たいき)性sustainedの拍動として触れる。心尖拍動図apexcardiographyは,この心尖拍動をオシログラフ上に図示し,いわば心尖拍動の視・触診所見を客観的に表現したものである。心尖拍動図は左心室内圧と似た波形を呈するが内圧変化とは異なり,左室心尖部の収縮期外方運動を前胸壁からの拍動としてとらえたものであり,その意味づけは当然異なる。… ※「apexcardiography」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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