摘要
为提供儿童特发性室性心动过速诊治资料，报告无明显器质性心脏疾病，反复发作持续性室性心动过速患儿９例。心电图示右束支传导阻滞伴电轴左偏或右偏图形，ＱＲＳ波时限≤０．１２秒；食道电生理检查示房室分离，房室无固定关系；超速起搏刺激不能终止发作。心动过速发作时静脉注射利多卡因疗效差，其中多数患儿经静脉注射异搏定或心律平能使发作终止。随访结果表明本病预后好，本组无一例死亡，亦无心脏扩大或心功能异常等改变。
Ninechildrenwithoutobviousstructuralheartdiseaseunderwentrecurentsustainedidiopathicventriculartachycardia,whichwasfrequentlymisdiagnosedassupraventriculartachycar-dia.Theirclinicalcharacteristicswereasfolows:(1)ECGmorphologyshowedapaternofrightbundlebranchblockandleftorrightaxisdeviation;QRSduration≤0.12seconds;(2)trans-esophagealelectrophysiologicalexaminationshowedauriculoventriculardisassociationornoconstantrelations.Overdrivepacingfailedtoterminatetachycardia;(3)itwasrefractorytolidocainebutre-spondedtoverapamilorpropafenoneinmajorityofchildren.Afolow-upresultshowedthattheprognosiswasgood,withoutdeath,cardiectasisorheartcardiacinsuficiency.
出处
《中华儿科杂志》
CAS
CSCD
北大核心
1996年第2期111-112,共2页
Chinese Journal of Pediatrics
