Objective: to observe the improvement effects of biventricular pacing therapy in heart failure patients by clinic symptom and relative heart function parameters.
目的：评价双心室起搏对顽固性心力衰竭患者的临床症状及相关心功能指标的影响。
Objective: To assess the effect of atrial fibrillation on heart function and observe the changes of exercise parameters before and after cardioversion of atrial fibrillation.
目的探讨心房颤动对心脏功能的影响及心房颤动患者转复心律前后摄氧量等运动参数的改变。
To analyze the characters of some parameters of cardiac function and ventricular volume in chronic heart failure (CHF).
研究心力衰竭状态下，各项心功能参数与心室容积参数的变化特点。
Conclusion the decrease of BNP in CHF was prior to the changes of the parameters of the cardiac function and this change of cardiac endocrine could be beneficial to the improvement of heart failure.
结论：CHF患者康复治疗后，BNP的下降先于心脏功能指标的恢复，这种心脏内分泌变化可能有助于心衰预后的判断。
A prototype device for measuring hemodynamic parameters and evaluating heart function has been developed on the basis of the theory of pressure pulse wave transmission in human arterial system.
作者根据人体动脉脉搏波传输的生物力学原理，设计和研制了包括心功能常用指标在内的一台雏型脉搏波传输检测系统。
Methods: Taking 60 cases of elder patients with coronary heart diseases and 68 normal cases as comparative group to see the parameters of heart function and cerebral circulation dynamics parameters.
方法：60例老年冠心病患者及68例正常对照组间的心功能参数及脑循环动力参数的比较。
Methods: Taking 60 cases of elder patients with coronary heart diseases and 68 normal cases as comparative group to see the parameters of heart function and cerebral circulation dynamics parameters.
方法：60例老年冠心病患者及68例正常对照组间的心功能参数及脑循环动力参数的比较。
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