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Isometric relaxation in rat myocardium: Load dependence and influence of caffeine

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Summary

When caffeine plus calcium is added to the perfusing medium, isometric relaxation of rat myocardium is no longer affected by length changes occurring during the twitch. The dependence of isometric relaxation on the initial muscle length is still present and more pronounced after caffeine addition.

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Authors and Affiliations

  1. Institute of Human Physiology, University of Pavia, via Forlanini 6, I-27100, Pavia, Italy

    C. Poggesi, L. Ricciardi, C. Reggiani & R. Minelli

Authors
  1. C. Poggesi
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  2. L. Ricciardi
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  3. C. Reggiani
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  4. R. Minelli
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Poggesi, C., Ricciardi, L., Reggiani, C. et al. Isometric relaxation in rat myocardium: Load dependence and influence of caffeine. Experientia 35, 1615–1617 (1979). https://doi.org/10.1007/BF01953225

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  • DOI: https://doi.org/10.1007/BF01953225

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