The interatrial septum is a structure with complex embryological development. The true atrial septum is a circumscribed structure, and transgression outside of this area during transseptal puncture may result in entry into the extracardiac space or aorta that may result in a pericardial effusion or cardiac tamponade. ().
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| http://dx.doi.org/10.1016/j.jaccas.2020.11.038 | DOI Listing |
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