正交导联心室碎裂电位对Ⅲ导联病理性Q波的鉴别  

SIGNIFICANCE OF DIFFERENTAL DIAGNOSIS OF PATHOLOGICAL Q WAVE ON LEAD Ⅲ WITH VENTRICULAR FRACTIONATED POTENTIALS IN PERPENDICULAR LEAD SYSTEM

作　　者：杨泰生[1,2,3] 张新利[1,2,3] 董果雄[1,2,3] 杨健[1,2,3] 

机构地区：[1]青岛医学院附属心血管病医院 [2]青岛医学院附属医院心内科 [3]青岛市第二人民医院内科

出　　处：《青岛医学院学报》1997年第2期147-148,共2页Acta Academiae Medicinae Qingdao Universitatis

摘　　要：①目的探讨鉴别Ⅲ导联病理性Ｑ波（ＱⅢ）的诊断方法。②方法应用正交导联心室碎裂电位（ＶＦＰ）对２１例陈旧性下壁心肌梗塞和２４例非心肌梗塞性病人的ＱⅢ波进行检查，计算Ｘ，Ｙ，Ｚ导联上ＱＲＳ波的ＶＦＰ，并求其总和（ＮＶＦＰ）。③结果陈旧性心肌梗塞病人组ＮＶＦＰ为９．８８±２．９５个，非心肌梗塞病人组为５．９８±２．００个，两组比较差异有极显著意义（ｔ＝２．８９２，Ｐ＜０．０１），且ＶＦＰ分布导联有明显差别。④结论ＮＶＦＰ＞６个或８个对陈旧性心肌梗塞病人ＱⅢ波诊断的敏感性分别为１００％和９９％，正交导联心室碎裂电位用于Ⅲ导联病理性Ｑ波的鉴别诊断，可能优于其它方法。Objective To investigate the differential diagnosis method for pathological Q wave on lead Ⅲ(Q Ⅲ) caused by both old myocardial infarction and some other non infarction conditions. Methods The ventricular fractionated potentials in reformed Frank perpendicular lead system were recorded in 21 patients with old inferior wall myocardial infarction and 24 normal controls . The number of the ventricular fractionated potentials (N VFP ) were calculated and analysed with student test. Results The N VFP in old myocardial infarction was 9.88± 2. 95 and in non-infarction patients 5.98±2.00 .The difference was significant ( P < 0.01).The distribution of VFP was also significant. Conclusion The diagnosis sensitivity for pathological Q wave caused by old myocardial infartion were 100% and 99%. The ventricular fractionated potentials probably is better than other methods in differentiating the causes of the pathological Q Ⅲ wave.

关 键 词：心室碎裂电位 病理性Q波 心电描记术 心肌梗塞 

分 类 号：R542.220.4[医药卫生—心血管疾病] R540.41[医药卫生—内科学]