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心肌受损或心脏负荷加重时,机体会出现一系列代偿活动,通过这些代偿活动可使心血管系统的功能维持在相对正常的状态而不出现心力衰竭的表现。但是,如果病因继续作用或加重,或在诱因的作用下,这种代偿状态就会向失代偿状态转化而出现心力衰竭.总的说来,心功能不全是一个发展过程,是从充分代偿发展到代偿不全的过程。
Myocardial damage or increased cardiac stress, the body will appear a series of compensatory activities, these compensatory activities can maintain the function of the cardiovascular system in a relatively normal state without the performance of heart failure. However, if the etiology continues to worsen or aggravate, or as a result of an inducement, this compensatory state may translate into decompensation into heart failure. In general, cardiac insufficiency is a developmental process that begins with adequate Compensatory development to the process of compensation incomplete.