【摘要】 将７６名室性早搏患者，根据病史、体检及实验室检查结果，分为器质性心脏病组和非器质性心脏病组。采用２４ｈ动态心电图监测和平板运动试验，比较两组室性早搏频度及严重程度、伴发其它心电图异常和运动后心电图变化，以寻求估测病理性室早的条件。结果表明，估测病理性室早的条件可能有：（１）Ｌｏｗｎ室早分级３级以上；（２）伴发复杂性室上性心律失常（包括成对房早、阵发性室上速、房扑、房颤）及ＳＴ—Ｔ异常改变；（３）运动后室早明显增加伴缺血型ＳＴ段改变。上述条件结合临床资料综合分析，对病理性室早有一定诊断意义。更多还原

【Abstract】 Dynamic and exercising ECGs were studied in 76 cases with ventricular premature beats (VPB) to find the parameters for evaluating the pathological VPB. The results show that the parameters for assessing the pathological VPB are as follows;(1) VPB reaching to or over grade 3 of Lown grading system;(2) accompanying complex supraventricular arrhythmias (including double atrial premature beats. paroxysmal supraventricular tachycardias, atrial premature beats, paroxysmal supraventricular tachycardias, atrial flutter and fibrillation) and abnormal ST segment and T wave;(3) significant increase of VPB with ischemical ST segment after exercise. These parameters together with clinical data have some significance for evaluating VPB.更多还原