Why the study?
Does adenosine alter atrial refractoriness and vulnerability to arrhythmias in an anesthetized dog model?
Does adenosine alter atrial refractoriness and vulnerability to arrhythmias in an anesthetized dog model?
Adenosine shortens atrial action potential duration and refractoriness, increasing vulnerability to transient atrial arrhythmias while also destabilizing and terminating sustained atrial flutter.
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Adenosine's atrial effects require human validation before any clinical extrapolation; leaves open mechanistic insights into arrhythmia induction versus termination.
Kabell et al. (1994) studied this question.