Why the study?
Does varying the site of ventricular pacing affect left ventricular performance compared to right atrial pacing in open chest dogs?
Does varying the site of ventricular pacing affect left ventricular performance compared to right atrial pacing in open chest dogs?
Ventricular pacing reduces cardiac performance compared to atrial pacing due to loss of atrial contribution and asynchronous contraction, regardless of the specific ventricular pacing site.
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Ventricular pacing impairs output versus atrial pacing irrespective of site in this model; leaves open whether site selection affects clinical outcomes.
Miyazawa et al. (1976) studied this question.
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