Case 56

Bradley P. Knight*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

A regular supraventricular tachycardia with a 1:1 AV relationship and a CL of 420 ms is induced in the EP lab. Activation of the high right atrium is coincident with the QRS complex. Ventricular overdrive pacing is delivered from the right ventricular apex during tachycardia at a cycle length 30 ms less than the tachycardia CL. Figure 56.1 shows the response immediately upon cessation of ventricular pacing. What is the mechanism of tachycardia?

Original languageEnglish (US)
Title of host publicationCardiac Electrophysiology
Subtitle of host publicationClinical Case Review
PublisherSpringer London
Pages245-246
Number of pages2
ISBN (Print)9781849963893
DOIs
StatePublished - 2011

ASJC Scopus subject areas

  • General Medicine

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