Abstract
CATECHOLAMINES have for many years been known to produce cardiac arrhythmias1. The influence of acetylcholine or vagal stimulation on arrhythmias, especially of the atria, has overshadowed the influence of the sympathetic mediators2. Sharma3 has reported that administration of epinephrine or norepinephrine simultaneously with acetylcholine enhanced the fibrillatory activity of the latter. Thus, it would seem appropriate to examine further the relationship between acetylcholine and catecholamines in their effect on heart rhythm.
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References
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LEVEQUE, P. Guanethidine as an Anti-fibrillatory Agent. Nature 203, 1389 (1964). https://doi.org/10.1038/2031389a0
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DOI: https://doi.org/10.1038/2031389a0
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