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心力衰竭的症状,可以认为是充血的症状(后向性衰竭)和心排出量降低(前向性衰竭)的结合。单纯从泵的功能去理解,那么心力衰竭时的心脏,是处于低的Frank-Starling功能曲线上。
Symptoms of heart failure can be considered as a combination of symptoms of congestion (retrograde failure) and decreased cardiac output (pro-active failure). Just to understand the function of the pump, then the heart of heart failure, is in the low Frank-Starling function curve.