应用体表心电图鉴别左心室肥厚

Application analysis of surface electrocardiogram in differential diagnosis of hypertensive left ventricular hypertrophy and hypertrophic cardiomyopathy

目的探讨体表心电图鉴别诊断高血压左心室肥厚与肥厚型心肌病的应用价值。方法选择2017年6月至2019年6月在我院治疗的高血压左心室肥厚患者50例纳入A组,选择肥厚型心肌病患者45例纳入B组。两组均进行体表心电图检查,分析体表心电图鉴别诊断高血压左心室肥厚与肥厚型心肌病的应用价值。结果A组最大QT间期(QTmax)、最小QT间期(QTmin)、QT离散度(QTd)均低于B组,左室后壁厚度、左室舒张末期内径以及左室收缩末期内径均高于B组,且Q波异常发生率明显低于B组,差异有统计学意义(p<0.05)。结论体表心电图鉴别诊断高血压左心室肥厚与肥厚型心肌病的效果较好,高血压左心室肥厚患者的心电图离散度、左室后壁厚度、左室舒张末期内径以及左室收缩末期内径等指标以及Q波异常发生情况与肥厚型心肌病有明显的差异。

Objective To investigate the application value of surface electrocardiogram in the differential diagnosis of hypertensive left ventricular hypertrophy and hypertrophic cardiomyopathy.Methods Fifty patients with hypertensive left ventricular hypertrophy treated in our hospital from June 2017 to June 2019 were included in group A,and 45 patients with hypertrophic cardiomyopathy were included in group B.Both groups were subjected to surface electrocardiogram examination,and the body was analyzed.The application value of electrocardiogram in the differential diagnosis of hypertensive left ventricular hypertrophy and hypertrophic cardiomyopathy.Results The maximum QT interval(QTmax),minimum QT interval(QTmin)and QT dispersion(QTd)of group A were lower than those of group B.The thickness of the left ventricular posterior wall,the left ventricular end-diastolic diameter and the left ventricular end-systolic diameter were all higher In group B,the rate of abnormal Q wave was significantly lower than that in group B,and the difference was statistically significant(p<0.05).Conclusions Surface electrocardiogram is effective in the differential diagnosis of hypertensive left ventricular hypertrophy and hypertrophic cardiomyopathy.The ECG dispersion,left ventricular posterior wall thickness,left ventricular end-diastolic diameter and left ventricular end-systolic diameter of patients with hypertensive left ventricular hypertrophy are better Such indicators and abnormal occurrence of Q waves are significantly different from hypertrophic cardiomyopathy.