Adenosine and hypoxia effects on atrioventricular node of adult and neonatal rabbit hearts.


An isolated perfused heart model was used to assess the effects of hypoxia and adenosine on the adult and neonatal (1-5 days) rabbit atrioventricular (AV) node. The AV nodal function was assessed by the A-H interval at a constant atrial pacing cycle length and by the longest pacing cycle length resulting in Wenckebach periodicity. We defined the pacing… (More)


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