Population
29 isolated right ventricular trabeculae from rats
Design
Preclinical
Authors
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No immediate clinical implications for triggered arrhythmias; leaves open whether force-calcium dissociation governs propagation in human myocardium.
In rat cardiac trabeculae, the initiation of triggered propagated contractions depends on the preceding twitch force, whereas their propagation velocity is determined by intracellular calcium concentration.
Daniels et al. (1990) studied this question.
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