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News in Physiological Sciences, Vol 5, 187-190, Copyright © 1990 by International Union of Physiological Sciences
ARTICLES |
LV Rosenshtraukh and AV Zaitsev
Arrhythmogenic vagal effects commonly are related to shortening of atrial refractoriness, which increases a probability of circus movement of premature excitation. In clinical arrhythmias the mechanism of the premature excitation remains unclear. We suggest that vagally induced conduction block can provoke atrial premature beats and tachycardia.
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