ResearchPad - tracing-of-the-month Default RSS Feed en-us © 2020 Newgen KnowledgeWorks <![CDATA[An Elusive and Deceptive Tachycardia]]> A wide-complex tachycardia was induced with rapid atrial pacing, with intermittent ventriculoatrial block and QRS alternans. A short/negative HV interval was observed, and premature ventricular complexes resulted in the termination of the tachycardia. The findings at electrophysiology study were consistent with an antidromic re-entrant tachycardia involving a nodo-fascicular/ventricular connection.