Objective to evaluate clinical significance of atrial fibrillation with long R-Rinterval on Holter monitoring in the elderly patients.
目的探讨老年心房颤动伴动态心电图长r - R间隔的临床意义。
2
The experimental results indicated that the effects of the noise frequencies and exposed conditions on HRV during R-Rinterval period were significant .
该文通过实验研究了不同频率、不同噪声级和不同暴露条件下的噪声对人体的心率变异的影响。
3
Objective To study structure of the unstable periodic orbits (UPOs) of R-Rinterval signals of heart during orthostatic standing, and to reveal the dynamic characters of heart rate variability (HRV).