Why the study?
Does pacing from the left atrial appendage induce cardiac memory in the atrium of dogs with complete heart block?
Does pacing from the left atrial appendage induce cardiac memory in the atrium of dogs with complete heart block?
Cardiac memory is demonstrable in the canine atrium and is associated with a reduced effective refractory period, potentially contributing to the substrate for atrial arrhythmias.
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Demonstrates atrial cardiac memory in dogs after LAA pacing; leaves open whether it promotes human AF or warrants clinical caution.
Herweg et al. (2001) studied this question.
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