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房性心动过速（房速）临床上容易与其它室上性心动过速相混淆，且药物和外科治疗效果差。１０例房速病人行射频消融术，男６例女４例，年龄２４～６１岁。方法是心内电生理检查确诊房速后，用１～２根消融导管标测心房，在房速时寻找最早Ａ波作为消融靶点放电。结果：１０例均为右房房速，７例为房内折返性心动过速，３例为自律性房速。靶点处ＰＡ为一２５～－５０ｍｓ，消融试放电４～１２次，９例消融成功。９例成功病人随访１６～３８个月，有１例复发。本文就房速的电生理鉴别和射频消融方法进行了讨论。
Atrial tachycardia (atrial tachycardia) clinically easily confused with other supraventricular tachycardia, and poor efficacy of drugs and surgical treatment. Radiofrequency catheter ablation was performed in 10 patients with atrial tachycardia. There were 4 males and 6 females, aged 24-61 years old. Method is to determine the atrial electrophysiological examination after atrial tachycardia, with 1 or 2 ablation catheter detection of atrial, atrial tachycardia in search of the earliest A wave as the ablation target discharge. Results: All 10 cases were right atrial tachycardia, 7 cases were reentrant tachycardia and 3 cases were self-paced atrial tachycardia. PA target for a 25 ~ -50ms, ablation test discharge 4 to 12 times, 9 cases of successful ablation. Nine cases of successful patients were followed up for 16 to 38 months, with 1 case of recurrence. This article discusses the electrophysiological identification of RF and radiofrequency ablation methods.