Population
Frog atrial trabeculae
Design
Preclinical
Authors
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Should not change clinical practice; leaves open Ca-Na competition mechanisms in mammalian cardiac contractility.
The study demonstrates that extracellular calcium is essential for tension production in frog atrial trabeculae, proposing a competitive action between Ca and Na ions at a free receptor site.
Miller et al. (1976) studied this question.
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