Conclusion the cardiac reserve at high altitude is mainly cardiac contractility reserve rather than heart rate reserve.
结论高原低氧环境下心脏储备主要是心肌收缩能力储备而不是心率储备。
Conclusion cardiac function of parturients up-regulates during the delivery stress, mobilizing both cardiac contractility reserve and heart rate reserve.
结论产妇在分娩这一应激过程中心脏功能上调，同时动用了心力储备和心率储备。
The amplitude of first heart sound is a normal measurement of cardiac contractility, and phonocardiogram (PCG) can be used in the study of cardiac contractility reserve.
第一心音的幅值是心脏收缩能力的标准度量，心音图(PCG)可以用于心力储备的研究。
Phonocardiogram exercise testing (PCGET) is a method through applying a phonocardiograph to evaluate cardiac contractility and the cardiac reserve.
运动试验是评价缺血性心脏病病人的诊断及预后的一种重要的无创性检测手段。
Phonocardiogram exercise testing (PCGET) is a method through applying a phonocardiograph to evaluate cardiac contractility and the cardiac reserve.
运动试验是评价缺血性心脏病病人的诊断及预后的一种重要的无创性检测手段。
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