Nonparoxysmal A-V nodal tachycardia due to potassium

Charles Fisch, Harvey Feigenbaum, John A. Bowers

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Potassium is capable of producing in the dog nonparoxysmal A-V nodal tachycardia. The paradox of depression of A-V conduction and simultaneous increase of automaticity may be explained on the basis of functional differentiation within the A-V conduction system. The failure of potassium to significantly affect the pacemaker and conducting tissue in the isolated heart, its failure to produce non-paroxysmal A-V nodal tachycardia in man and the similarity of the arrhythmia observed in our experiments with that induced by digitalis in human subjects were stressed.

Original languageEnglish (US)
Pages (from-to)357-361
Number of pages5
JournalThe American journal of cardiology
Issue number3
StatePublished - Sep 1964

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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