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Chronic exercise does not alter the chronotropic response of isolated rat atria to catecholamines

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Summary

Atria isolated from rats after 7 weeks of exercise training beat at a slower rate than did atria from sedentary controls. There is no significant difference between the chronotropic responses of the 2 groups to epinephrine or morepinephrine.

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Authors and Affiliations

  1. Department of Biological Sciences, State University College, 14420, Brockport, New York, USA

    D. C. Smith & A. El-Hage

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  1. D. C. Smith
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  2. A. El-Hage
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Additional information

This study was supported in part by a grant from the Genesee Valley Heart Association.

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Smith, D.C., El-Hage, A. Chronic exercise does not alter the chronotropic response of isolated rat atria to catecholamines. Experientia 38, 260–261 (1982). https://doi.org/10.1007/BF01945101

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  • DOI: https://doi.org/10.1007/BF01945101

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