Population
25 infant hearts
Authors
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May inform sinus node preservation strategies in atrial surgery; extends anatomical mapping but leaves open clinical validation.
The sinus node is predominantly located on the lateral aspect of the superior cavo-atrial junction rather than straddling the crest of the right atrial appendage, providing important anatomical context to avoid sinus node dysfunction during cardiac surgery.
Anderson et al. (1979) studied this question.
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