Population
Whole specimen of a dog's or rabbit's right atrium
Design
Preclinical
Authors
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Animal atrial mapping shows bundle-dependent conduction without specialized fibers; leaves open translation to human arrhythmia mechanisms.
The study maps the spread of right atrial activation in dog and rabbit models, demonstrating slow conduction in the SA node and rapid conduction through the crista terminalis without a specialized atrial conduction system.
Hiroshi Horibe (1961) studied this question.
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