Why the study?
Does octanol affect action potential propagation at Purkinje-ventricular junction sites in canine papillary muscles?
Population
In vitro preparations of canine papillary muscles (n=10)
Comparison
0.2 mM octanol vs Baseline (before octanol application)
Design
Preclinical
Authors
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Findings support restricted PVJ current-flow hypothesis; leaves open translation to human arrhythmias or therapies.
Does octanol affect action potential propagation at Purkinje-ventricular junction sites in canine papillary muscles?
Octanol preferentially increases conduction delay at Purkinje-ventricular junction sites, supporting the hypothesis of a restricted pathway for intracellular current flow from Purkinje to ventricular cells.
Joyner et al. (1985) studied this question.
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