Why the study?
Do basic and pretest cycle lengths affect AV nodal refractoriness in rabbit heart preparations?
Do basic and pretest cycle lengths affect AV nodal refractoriness in rabbit heart preparations?
Basic and pretest cycle lengths are both important determinants of AV nodal refractoriness, accounting for rate-induced changes in effective and functional refractory periods.
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Animal data on cycle length effects warrant no clinical change; leaves open translation to human AV nodal refractoriness.
Tadros et al. (2009) studied this question.
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