Key result
Anatomical analysis of the AV junction region reveals two overlapping atrial circuits, delayed activation of the posterior region due to myocardial bridges, and specific structural relationships.
Population
Paraffin-embedded specimens of the entire atrioventricular (AV) junction region (AVJR)
Design
Preclinical
Authors
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AV junction features may caution septal interventions; leaves open human arrhythmia mechanisms pending validation.
Detailed morphological and cytoarchitectural analysis of the AV junction region reveals structural features that explain delayed posterior activation and highlight risks of extracardiac or aortic communication during puncture.
Darlene K. Racker (2004) studied Anatomy of the atrioventricular junction region. Anatomical examination of the AV junction region was evaluated on Morphology and cytoarchitecture of the AV junction region. Anatomical analysis of the AV junction region reveals two overlapping atrial circuits, delayed activation of the posterior region due to myocardial bridges, and specific structural relationships.
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