title: An analysis of the effect of pH, procaine cation, nonionized procaine and procaine ethylchloride cation upon cardiac conduction time, stimulation threshold, amplitude of contraction and the relationship of these parameters to antiarrhythmic activity.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D002412:Cations; D006321:Heart; D006339:Heart Rate; D006801:Humans; D011343:Procaine / Q000494:pharmacology*
chemical_list: D000889:Anti-Arrhythmia Agents; D002412:Cations; D011343:Procaine
keywords: HEART; MYOCARDIAL DEPRESSANTS/pharmacology; PROCAINE/pharmacology