在1例峡部顺钟向阻滞者，冠状静脉窦口刺激诱发出短阵逆钟向房扑。
Temporary counterclockwise atrial flutter was induced by pacing at coronary sinus ostium in 1 case with clockwise block in the isthmus.
在1例峡部顺钟向阻滞者，冠状静脉窦口刺激诱发出短阵逆钟向房扑。
Temporary counterclockwise atrial flutter was induced by pacing at coronary sinus ostium in 1 case with clockwise block in the isthmus.
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