His bundle electrocardiography during bidirectional tachycardia

S. N. Morris, D. P. Zipes

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

His bundle electrocardiography in a patient with a digitalis induced bidirectional tachycardia revealed absence of His spike preceding earliest onset of ventricular activation during the bidirectional tachycardia. However, His potential preceded ventricular activation of normal complexes at a constant H V interval of 35 msec. The presence of fusion QRS complexes, capture QRS complexes, the analysis of of cycle lengths, and response to carotid sinus massage all favor a ventricular origin for this tachycardia in the patient presented.

Original languageEnglish
Pages (from-to)32-36
Number of pages5
JournalCirculation
Volume48
Issue number1
StatePublished - 1973

Fingerprint

Bundle of His
Electrocardiography
Carotid Sinus
Massage
Digitalis
Ventricular Tachycardia
Bidirectional tachycardia

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

His bundle electrocardiography during bidirectional tachycardia. / Morris, S. N.; Zipes, D. P.

In: Circulation, Vol. 48, No. 1, 01.01.1973, p. 32-36.

Research output: Contribution to journalArticle

Morris, S. N. ; Zipes, D. P. / His bundle electrocardiography during bidirectional tachycardia. In: Circulation. 1973 ; Vol. 48, No. 1. pp. 32-36.
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