射频消融治疗儿童心房扑动需积累经验。
The experience of RFA in the treatment of atrial flutter in children should be accumulated.
目的总结典型心房扑动的射频消融治疗经验。
Objective To summarize the experience of radiofrequency ablation (RF) of typical atrial flutter.
心房扑动的发生机制是右房内的大折返激动。
It is known that the macro-reentry activation in the right atrium is the mechanism of atrial flutter.
压迫颈动脉窦对心房扑动时的心房率几乎不起作用。
Carotid sinus pressure has little or no effect on the atrial rate in atrial flutter.
目的：采用右心房后位峡部线性消融治疗典型心房扑动。
Objective: Typical atrial flutter (AFL) was treated by posterior isthmus liner radiofrequency catheter ablation (RFCA) technique.
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.
目的评价房室结消融加永久起搏器植入治疗难治性房扑房颤的安全性和有效性。
Objective to evaluate the safety and efficacy of the procedure with atrioventricular node ablation and pacemaker implantation in patients with refractory atrial flutter and atrial fibrillation.
在3例峡部逆钟向阻滞者，低侧右房刺激诱发出短阵顺钟向心房扑动（简称房扑）；
Temporary clockwise atrial flutter was induced by pacing at low lateral right atrium in 3 cases with the counterclockwise block in the isthmus.
经冠状窦内消融治疗左房消融治疗心房颤动术后患者的典型心房扑动和房性心律失常。
Catheter ablation of atypical atrial flutter and atrial tachycardia within the coronary sinus after left atrial ablation for atrial fibrillation.
消融术中房颤转为不典型房扑4例，消融未能终止，转为典型房扑2例，消融三尖瓣峡部均成功。
AF converted to atypical atrial flutter(AFL) in 4 cases, but failed to terminate by ablation. AF converted to typical AFL in 2 cases, and terminated by tricuspid isthmus ablation.
认识上述特点，有助于引导我们有目的地进行右房激动标测和拖带标测，从而可以快速识别出典型房扑。
Recognizing the above characteristics will guide us to perform right atrial activation and entrainment mapping on purpose, and then identify rapidly the typical atrial flutter.
结果显示：心房颤动或心房扑动发生前的长周期多见于房性期前收缩后代偿间歇及明显窦性心动过缓等心律失常；
Results showed that long _ cycle leading to atrial fibrillation and flutter were mostly compensating period due to atrial premature beat or obviously sinus bradycardia.
通过比较心房扑动（简称房扑）成功消融前后右心房峡部时间间期，分析峡部时间间期的延长程度对峡部完全性双向阻滞的预测价值。
The purpose of this study was to determine whether the extent of prolongation of the transisthmus interval after ablation predicts complete bidirectional block.
安斯沃思太太的家铺张地用金银箔和冬青装饰着，餐具柜上摆着成排的酒水，火鸡和撒尔维亚干叶加葱头填料的浓郁香味自厨房扑鼻而来。
Mrs. Ainsworth's home was lavishly decorated with tinsel and holly, rows of drinks stood on the sideboard and the rich aroma of turkey and sage-and-onion stuffing wafted from the kitchen.
安斯沃思太太的家铺张地用金银箔和冬青装饰着，餐具柜上摆着成排的酒水，火鸡和撒尔维亚干叶加葱头填料的浓郁香味自厨房扑鼻而来。
Mrs. Ainsworth's home was lavishly decorated with tinsel and holly, rows of drinks stood on the sideboard and the rich aroma of turkey and sage-and-onion stuffing wafted from the kitchen.
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