Effects of ouabain and catecholamines on the refractory periods and contractions of isolated atria.

Abstract

Effects of ouabain and catecholamines_ and their modifications_ by propranolol were investigat ed on the functional refractory period ( FRP ), contractile force and heart rate in isolated atria of guinea-pigs_ and rats.. Catecholamines produced a transient decrease in the FRP of guinea-pig atria, while ouabain caused a continual increase after a latent… (More)

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@article{Maeda1967EffectsOO, title={Effects of ouabain and catecholamines on the refractory periods and contractions of isolated atria.}, author={K. Maeda and K. Ito and Atsushi Sekiya and Zengo Kanda}, journal={Nagoya journal of medical science}, year={1967}, volume={30 1}, pages={121-8} }