Triggered propagated contractions in human atrial trabeculae.


OBJECTIVE Mechanical stretch and rapid release of locally damaged regions of rat cardiac trabeculae due to contraction of undamaged cells during the regular twitch have been shown to trigger local aftercontractions in the damaged region. These aftercontractions appear to propagate along the length of the trabeculae and to precede triggered arrhythmias. The… (More)


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