<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>An ectopic impulse originating in the AV junction presenting as a QRS complex of supraventricular origin which is not preceded by a P wave.</n0:def-definition><n0:def-source>CDISC</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>An electrocardiographic finding of an ectopic impulse originating in the atrioventricular junction presenting as a QRS complex of supraventricular origin which is not preceded by a P wave.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>