Effect of potassium infusion on the human conduction system

L. Gould, C. V R Reddy, W. H. Becker, Soo G. Kim

Research output: Contribution to journalArticle

Abstract

His bundle electrograms were recorded in 12 patients before and after the intravenous administration of 5 mEq of potassium. Antegrade and retrograde refractory periods were determined with the extrastimulus technique. The AH interval was 84 ± 7 msec before and 89 ± 7 msec after potassium (P < 0.05). The AH interval at an atrial pacing rate of 140/minute was 129 ± 13 msec before and 143 ± 16 msec after potassium. (P < 0.02). The effective refractory period of the atrium was 264 ± 9 msec before and 280 ± 9 msec after potassium (P < 0.001). Thus small amounts of potassium delay conduction at the atrial and AV nodal level.

Original languageEnglish (US)
Pages (from-to)666-676
Number of pages11
JournalAngiology
Volume31
Issue number10
StatePublished - 1980
Externally publishedYes

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Potassium
Cardiac Electrophysiologic Techniques
Intravenous Administration

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Gould, L., Reddy, C. V. R., Becker, W. H., & Kim, S. G. (1980). Effect of potassium infusion on the human conduction system. Angiology, 31(10), 666-676.

Effect of potassium infusion on the human conduction system. / Gould, L.; Reddy, C. V R; Becker, W. H.; Kim, Soo G.

In: Angiology, Vol. 31, No. 10, 1980, p. 666-676.

Research output: Contribution to journalArticle

Gould, L, Reddy, CVR, Becker, WH & Kim, SG 1980, 'Effect of potassium infusion on the human conduction system', Angiology, vol. 31, no. 10, pp. 666-676.
Gould L, Reddy CVR, Becker WH, Kim SG. Effect of potassium infusion on the human conduction system. Angiology. 1980;31(10):666-676.
Gould, L. ; Reddy, C. V R ; Becker, W. H. ; Kim, Soo G. / Effect of potassium infusion on the human conduction system. In: Angiology. 1980 ; Vol. 31, No. 10. pp. 666-676.
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