Conduction left-to-right and right-to-left across the crista terminalis

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Population

15 dogs with sterile pericarditis and 7 normal dogs

Design

Preclinical

Authors

Discussion

Animal model shows functional crista terminalis block in flutter; leaves open human mechanistic confirmation and clinical relevance.

Population

15 dogs with sterile pericarditis and 7 normal dogs

Intervention

Right and left atrial pacing (cycle lengths of 500-130 ms), induction of atrial flutter (AFL), and atrial fibrillation

Outcome

Atrial activation patterns across the crista terminalissurrogate

This study demonstrates that conduction block across the crista terminalis during atrial flutter is functional rather than fixed.

Uno et al. (2001) studied this question.

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