右心房（right atrium）位于心的右上部，腔大壁薄，其向左前方突出的部分称右心耳（right auricle），内面有许多并行排列的隆起肌束，称梳状肌。
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EEG showed sinus rhythm, right auricle enlargement, right ventricle hypertrophy;
心电图示窦性心律，右心房肥大，右心室肥厚。
The amplitude of contraction and the heart rate in the right auricle was also inhibited.
对右房的收缩幅度和频率也有抑制作用。
When AF occurs, one common electrophysiological catheter and one ablation catheter with a 4 mm tip electrode were used to discharge between coronary sinus and right auricle.
房颤发作时采用普通电生理导管及消融导管在冠状窦与右心耳间放电。
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