The effect of phentolamine on intra-hisian conduction

Lawrence Gould, C. V.R. Reddy, K. C. Oh, S. G. Kim, William Becker

Research output: Contribution to journalArticlepeer-review


A His bundle electrogram was obtained in a 70 year old male with syncopal episodes. A split bundle of His deflection was recorded. After the intravenous administration of phentolamine, a marked shortening of the H-H' interval was observed. This signifies an improvement in conduction at the bundle of His level.

Original languageEnglish (US)
Pages (from-to)391-394
Number of pages4
JournalJournal of Electrocardiology
Issue number4
StatePublished - 1978
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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