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室房传导时间对常见阵发性室上速鉴别诊断价值的无创性电生理研究 被引量:2

Noninvasive Electrophysiologic Study on Value of Differentiating Common Paroxysmal Supraventricular Tachycardia by Ventricle-Atrial Conduction Time
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摘要 对25例有确切 Kent 束(包括隐匿性)存在证据的顺传型房室反复性心动过速(AVRT)及27例慢快型房室结折返性心动过速(AVNRT)两组患者,作了室上速发作时食道单极导联心电图上室房传导时间(VA 间期)的对比研究。结果表明 AVRT 组的 VA 间期为80~140ms,而 AVNRT 组为0~70ms,两组间全无重叠。作者认为,VA 间期>70或≤70ms 是鉴别 AVRT 或AVNRT 的重要依据。 The ventricle-atrial conduction time(VA interval)in esophageal unipolar leadECG was comparatively studied during paroxysmal supraventricular tachycardia in 25patients with orthodromic atrioventricular reciprocating tachycardia(AVRT)and 27patients with slow-fast type of atrioventricular nodal reentrant tachycardia(AVNRT).The result indicated that VA interval of the patients with AVRT was 80 to 140msbut it was 0 to 70ms in the patients with AVNRT.No overlap was observed be-tween both groups. VA interval of>70 or≤70ms was considered an importent indicatorin differentiating AVRT from AVNRT.
出处 《天津医药》 CAS 1989年第2期67-70,共4页 Tianjin Medical Journal
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