Why the study?
Does ablation of the anterior atrial input to the AV node affect ventricular echo beats and retrograde AV nodal exits in the dog heart?
Population
20 dogs (17 selected for evaluation after excluding 3 with persistent AV block)
Comparison
Epicardial radiofrequency current applied to the… vs Before ablation (baseline)
Design
Preclinical
Authors
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Anterior AV nodal input ablation eliminates anterior but not most posterior ventricular echo beats in dogs; leaves open dual retrograde pathways for human AVNRT studies.
Does ablation of the anterior atrial input to the AV node affect ventricular echo beats and retrograde AV nodal exits in the dog heart?
Ablation of the anterior atrial input to the AV node in dogs demonstrates multiplicity in the electrophysiologic and anatomic characteristics of ventricular echo beats and retrograde AV nodal exits.
Toshida et al. (2001) studied this question.
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