...Therefore, the clinical symptoms are often accompanied by pulmonary congestion in addition to the above right heart failure symptoms. The left heart system refers to the left atrium, left ventricle, and artery from the pulmonary veins, while the right heart system refers to the right atrium, right ventricle, and pulmonary artery from the systemic veins. Therefore, pump failure, which is the cause of left heart failure, is a disorder of the left ventricle caused by myocardial infarction, mitral valve or aortic valve disorders, severe hypertension, etc., and is mainly caused by an increase in left atrial pressure due to impaired blood flow to the left ventricle and impaired ejection. ... *Some of the terminology that refers to the "right heart system" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…したがって,その臨床症状は上記の右心不全症状に肺鬱血像を伴ってくることが多い。 左心系とは肺静脈より左心房・左心室・動脈を含めて呼び,右心系とは体静脈より右心房・右心室・肺動脈までを呼ぶ。したがって左心不全の成因となるポンプ不全は,心筋梗塞,僧帽弁・大動脈弁障害,重症高血圧などによってひき起こされる左心室の障害であり,左心室への血液の流入障害や駆出障害に伴う左心房の圧上昇がおもな原因となる。… ※「右心系」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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