简介:BackgroundRightbundlebranchblock(RBBB)maypresentasslurredornotchedSwaveinleadV1.However,slurredornotchedSwavemayalsorepresentslowconductioninthemyocardium.MethodsWeretrospectivelyanalyzedtheQRSpatternsinleadsV3RtoV5Rin7patientswithaslurredornotchedSwaveinleadV1.ResultsIntheleadsV3RtoV5R,6patientsshowedincompleteorcompleteRBBBand1patientslurredornotchedSwave.ConclusionsInthemajorityofECGsinasmallpatientserieswithslurredornotchedSwaveinleadV1,QRSmorphologyindicatingincompleteorcompleteRBBBwaspresentinleadsV3RtoV5R.AfindingoffragmentedQRSintheseleadsmayindicateslowconductioninthemyocardium.
简介:“S+V起来+AP/VP”构式是汉语"中动句"的基本构造类型,其构式意义为:S在实施V的情况下,具有或呈现某种性质或特征。该构式中前两个成分之间存在多种语义关系,“V起来”后面的成分也具有多种结构方式,该构式的复杂性远高于人们现有的认识程度。汉语的中动句萌生于清代,它在句法上的直接来源是“V起来”作插入语的句子,引发其产生并发展的机制是“扩展”。