Atrial Premature Beats with Variable Return Cycle Lengths—A Clue to Sinus Node Re‐entry?

ANTHONY SQUIRE, ERIC H. STERN, PAUL SCHWEITZER

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A patient with alrial premature beats (APBs) with variable return cycle lengths is reported. Two rare responses of the sinus node were observed: APBs in which the return and sinus cycle lengths were equal and APBs which were interpolated. Several possible mechanisms for these unusual effects of APBs on the sinus node are discussed. One mechanism which can explain both of these observations is sinus node re‐entry. This possibilify is indirectly supported by documentation of sinus node re‐entry during electrophysiologic studies.

Original languageEnglish
Pages (from-to)798-800
Number of pages3
JournalPACE - Pacing and Clinical Electrophysiology
Volume6
Issue number3
DOIs
StatePublished - May 1983
Externally publishedYes

Keywords

  • APBs
  • interpolated APBs
  • sinus node responses
  • sinus node re‐entry

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