Effect of Potassium on Conduction and Ectopic Rhythms in Atrial Fibrillation Treated with Digitalis
- 1 July 1958
- journal article
- research article
- Published by Wolters Kluwer Health in Circulation
- Vol. 18 (1), 98-106
- https://doi.org/10.1161/01.cir.18.1.98
Abstract
Intravenous administration of potassium to patients with atrial fibrillation treated with digitalis resulted in depression of conduction through the A-V node, appearance of complete A-V dissociation and in some abolition of ventricular ectopic beats. The presence or absence of ectopic ventricular beats as well as the degree of depression of A-V node could be controlled at will by varying the rate of infusion. Termination of infusion was paralleled by prompt reappearance of all arrhythmias present before infusion started.Keywords
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