目的探讨心房扩大与P波离散度的关系。
This paper is to investigate the relationship between atrial expansion and P wave dispersion.
目的分析快速心房刺激对P波时限及离散度的影响。
Objective To analyse the effects of rapid atrial pacing on P wave duration and dispersion.
目的研究心电图P波离散度、P波宽度与阵发性心房纤颤的关系。
Objective To study the relation between P wave dispersion, P wave width and paroxysmal atrial fibrillation.
结果双极食管导联记录到的窦性P波由圆钝直立的右心房电位和尖锐高大的左心房电位组成。
Results Sinus P wave recorded by bipolar esophageal lead consisted of right atrial potential and left atrial potential.
右位心胎儿DV多普勒血流波形的心房收缩波近缺失。
DV Doppler waveform of this dextrocardia fetus showed a nearly ab - sent atrial systole wave.
结论上腔静脉流速曲线中心室收缩波和心房收缩反向波速度在评价容量反应性中有一定应用价值。
Conclusions the peak velocities of wave s and wave ar are of good value in assessing the fluid responsiveness.
结论腹主动脉结扎大鼠心房纤维化程度增加，P波时限增宽，IACT延长，心房有效不应期没有改变。
Conclusion The extent of atrial fibro sis was increased in abdominal aorta banded rats. Although longer P wave duration and IACT are present, there is no change in atrial effective refractory period.
目的分析探讨心房颤动（房颤）伴宽QRS波群的心电图特征及鉴别诊断。
Objective To analyze the electrocardiogram characteristics of patients with AF complicated with wide QRS wave and the underlying differential diagnosis methods.
结果窦性心律时窦房结发出冲动，激动右心房上部并向右心房下部和左心房传导，而房颤时双心房均可见方向不一、片段的激动波或大的折返环，可见多个传导阻滞区。
During acute AF, there are multiple and discrete excitation wave fronts or reentry activities were found in both LA and RA, and bidirectional block regions could be shown.
结果窦性心律时窦房结发出冲动，激动右心房上部并向右心房下部和左心房传导，而房颤时双心房均可见方向不一、片段的激动波或大的折返环，可见多个传导阻滞区。
During acute AF, there are multiple and discrete excitation wave fronts or reentry activities were found in both LA and RA, and bidirectional block regions could be shown.
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