Propranolol Induced Electrical and Mechanical Alternans in Orthodromic Reciprocating Tachycardia

JANE E. CROSSON, ANN DUNNIGAN

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

During an electrophysiological study in a patient with a concealed accessory connection, there was no evidence of eiectrical or mechanical alfernans during tachycardia until propranolol was adminislered, but both forms of alternans developed with tachycardia of a slower rate following propranolol. Echocardiographic. arterial pressure, and electrocardiographic data obtained prior to and following propranolol administration are presented.

Original languageEnglish (US)
Pages (from-to)496-500
Number of pages5
JournalPacing and Clinical Electrophysiology
Volume16
Issue number3
DOIs
StatePublished - Mar 1993

Keywords

  • electrical alternans
  • mechanical alternans
  • orthodromic reciprocating tachycardia
  • propranolol

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