Key result
KCl infusion restores normal rhythm in dog heart-lung models of acetylcholine-induced AF.
Why the study?
Does KCl infusion restore normal rhythm in acetylcholine-induced atrial fibrillation in dog heart-lung preparations?
Does KCl infusion restore normal rhythm in acetylcholine-induced atrial fibrillation in dog heart-lung preparations?
KCl infusion can restore normal rhythm in a canine heart-lung model of acetylcholine-induced atrial fibrillation, providing insight into the mechanisms of arrhythmia maintenance.
Answers are grounded in this paper and cite their sources.
Does not support clinical KCl use in AF; leaves open mechanistic insights from this acetylcholine model.
Atrial fibrillation can be produced in the heart-lung preparation of the dog by the slow infusion of acetylcholine and the application of electric stimuli to the auricle. The fibrillation can then be maintained indefinitely, after stimulation ceases, by continuing the infusion of acetylcholine. The fibrillation can be restored to normal rhythm by the infusion of KCl. This throws light on the action of acetylcholine in maintaining atrial fibrillation.
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Burn et al. (1956) studied Atrial fibrillation. KCl infusion was evaluated on Restoration to normal rhythm. Infusion of KCl restored normal rhythm in dog heart-lung preparations with atrial fibrillation maintained by acetylcholine.
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