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慢性难治性心力衰竭的特征是心排出量降低与全身血管阻力增高。全身血管阻力增高使动脉压能维持于正常范围,但左心室喷血的“阻抗”则增加,作者根据“阻抗”减少能
Chronic refractory heart failure is characterized by decreased cardiac output and systemic vascular resistance. Increased systemic vascular resistance to maintain arterial pressure in the normal range, but left ventricular ejection “impedance” is increased, the author according to the “impedance” to reduce energy