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来自维基百科,自由的百科全书
心臟收縮又稱收缩期(英語:Systole,/ˈsɪstəli/,SIST-ə-lee)是心动周期中的一個環節,當心室內血液充满后,心室內的血液會射入動脈,這一過程就叫心臟收縮 [1][2]。心脏收缩的基础是心肌的收缩性完好。[3]
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