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心功能不全的研究进展表明,心功能不全的发生不仅与心脏收缩功能异常有关,也与心脏舒张功能异常有关.临床上约有30～40%的心功能不全病人,心脏收缩功能参数正常,射血分数及心输出量无明显
The progress of research on cardiac insufficiency shows that the occurrence of cardiac insufficiency is not only related to cardiac systolic dysfunction but also diastolic dysfunction.About 30-40% of patients with cardiac insufficiency clinically have normal cardiac systolic function parameters Blood scores and cardiac output no significant