Action potential duration and force-freq
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P. Szigligeti; C. Pankucsi; T. BΓ‘nyΓ‘sz; A. VarrΓ³; P. P. NΓ‘nΓ‘si
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Article
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1996
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Springer-Verlag
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English
β 578 KB
The effect of action potential duration and elevated cytosolic sodium concentration on the force-frequency relationship in isolated rabbit, guinea pig and rat papillary muscle preparations was studied. Shortening of action potential duration in guinea pig and rabbit from 150-200 ms to values charact