Their effect on cardiac contractility has not been assessed directly.

它们对心肌收缩性的作用未被直接评价过.

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CONCLUSION: Baoxin capsules can improve myocardial ischemia and increase the cardiac contractility.

结论: 保心胶囊具有改善心肌缺血、增强心肌舒缩能力的作用.

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A monitoring system based on the relationship between cardiac contractility and heart sound was developed.

研究了基于心力—心音关系的心脏储备无创监测系统.

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