R R interval alternates RR间期交替
short p r interval syndrome 短p
contour r interval 等高距 ; 等高线间隔
r-r interval time rr间期
short p r interval 短pr间期综合征
r-r interval detail 心动间期
Objective to evaluate clinical significance of atrial fibrillation with long R-R interval 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。
In monitor of the chief systems of experimental cattle, only bradycadia, mild imbalance of acid-base and prolonged P-R interval of ECG were found.
对实验牛心血管系统、呼吸系统,肝肾系统和血液指标监测,仅见心率减慢、轻度酸碱平衡紊乱以及ECG的P—R间期延长,其他指标均无明显变化。
The experimental results indicated that the effects of the noise frequencies and exposed conditions on HRV during R-R interval 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。
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