Abstract
The mechanism of excitation-contraction coupling is not established for any type of muscle {1}. In cardiac muscle there is not even universal agreement on whether Ca2+ is released from the sarcoplasmic reticulum (SR) during excitation-contraction coupling. This will be the question addressed in this chapter. In the discussion of the question, emphasis will be placed on the quantification of the Ca2+ fluxes across the sarcolemma and their possible relationships with the Ca2+ movements in and out of the SR. A detailed description of the simple calculations that permit this correlation will provide a tool for a critical analysis of the literature.
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Baumgarten, C.M., Fabiato, A. (1989). Calculated Transsarcolemmal Calcium Movements in Cardiac Muscle. In: Sperelakis, N. (eds) Physiology and Pathophysiology of the Heart. Developments in Cardiovascular Medicine, vol 90. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0873-7_12
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DOI: https://doi.org/10.1007/978-1-4613-0873-7_12
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