收缩和舒张功能不全的比较 Normal Systolic Dysfunction Diastolic Dysfunctlon Diastole (filling] The ventricles fill The enlarged ventricles The stiff venTricles fill normally wth blood fill with blood with less blood than normal Systole The ventricles pump The ventricles pump The ventricles pump out about 60% of out less than 40 to 50% out about 60% ol the blood of the blood he blood, but the amount may be lower than normal收缩和舒张功能不全的比较