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Effect of epinephrine on the duration of action potential of papillary muscles

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Zusammenfassung

Im Gegensatz zur Kontrollbedingung (Tyrodelösung 1.8 mM Ca, 31°C, Reizfrequenz 30/min) ruft Adrenalin 6×10−6 M im Ca-freien Milieu eine significante Verlängerung der Aktionspotenziale hervor. Die Zugabe von Ca2+ kehrt die Aktionspotenzialdauer mit voller Entwicklung der positiv inotropen Wirkung zu Ausgangswerten zurück.

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Literatur

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Author notes

  1. J. Šumbera

    Present address: Research Institute of Medical Engineering, Brno, Czechoslovakia

Authors and Affiliations

  1. II. Department of Medicine, Medical Faculty, Brno, Czechoslovakia

    P. Bravený

  2. Research Institute of Medical Engineering, Brno, Czechoslovakia

    M. Šimurdová

  3. Dept. of Physiology, Medical Faculty Brno, Brno, Czechoslovakia

    J. Šumbera

Authors
  1. P. Bravený
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  2. M. Šimurdová
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  3. J. Šumbera
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Bravený, P., Šimurdová, M. & Šumbera, J. Effect of epinephrine on the duration of action potential of papillary muscles. Experientia 30, 166–167 (1974). https://doi.org/10.1007/BF01927711

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  • DOI: https://doi.org/10.1007/BF01927711

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