Population
Isolated rabbit sinus node
Comparison
Ectopic atrial premature beats elicited late in… vs Spontaneous beating
Design
Preclinical
Authors
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Calculated postextrasystolic sinoatrial times underestimate true conduction; questions method validity and leaves open direct measurement validation.
This preclinical study demonstrates that indirectly calculated sinoatrial conduction times significantly underestimate true antegrade conduction in the rabbit sinus node.
Steinbeck et al. (1978) studied this question.
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