Effect of Potassium and "Toxic" Doses of Digitalis on the Myocardium

Abstract

This study was designed to evaluate further the antagonism between digitalis and potassium. Potassium was given by intravenous infusion to six dogs (1) before digitalization, (2) after injection of "therapeutic" doses of digitoxin, and finally (3) after injection of "toxic" doses of the drug.