Key result
In canine Bachmann's bundle, effective longitudinal conduction velocity was higher in adults (1.31 m/s) than neonates (0.80 m/s), largely accounted for by a difference in myocyte diameter.
Authors
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May inform age-related atrial conduction differences; leaves open human translation and arrhythmia relevance.
Dolber et al. (1989) studied this question. In canine Bachmann's bundle, effective longitudinal conduction velocity was higher in adults (1.31 m/s) than neonates (0.80 m/s), largely accounted for by a difference in myocyte diameter.
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