Left ventricular performance measured by admittance cardiogram was consistent with clinical heart function in congenital heart defects.
心导纳图测定的左心功能诸指标的改变与临床心功能分级相符。
This paper introduces the preamplifier of ventricular late potentials, and give out testing instance and performance parameters, experiment results show that this preamplifier is viable and reliable.
本文主要介绍了一种心室晚电位前置放大电路，给出了测试情况和达到的技术性能指标，实验结果表明了该放大电路的可行性和可靠性。
Objective:To validate the feasibility and value of myocardial performance index (MPI) for assessing ventricular function in patients with functionally single ventricle.
目的：探讨心肌工作指数（MPI）评价单心室心功能的可行性及应用价值。
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