Population
20 anesthetized dogs
Design
Preclinical
Key result
Electrophysiological mapping in 20 dogs showed the left atrial tract is a terminal, insulated tract activated via an inferior interatrial pathway connecting the inferior right and left atria.
Authors
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Should not change clinical practice; hypothesis-generating for human interatrial conduction pathways.
The study identifies an inferior interatrial pathway connecting the inferior right and left atria along the coronary sinus in dogs, which activates a terminal, insulated left atrial tract.
Scherlag et al. (1972) studied Normal cardiac electrophysiology (dogs) (n=20). Electrophysiological mapping and pacing was evaluated on Electrophysiological characteristics of the left atrial tract along the ligament of Marshall. Electrophysiological mapping in 20 dogs showed the left atrial tract is a terminal, insulated tract activated via an inferior interatrial pathway connecting the inferior right and left atria.
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