Robuta

https://scirp.org/journal/papercitationdetails?paperid=110521&JournalID=818
Background: Atrioventricular septal defects (AVSD) are caused by a lack of development in atrioventricular endocardial cushions. Its spectrum varies from...
natural historyseptal defectin antransitionalatrioventricular
https://www.yourdictionary.com/atrioventricular-nodal-rhythm
Atrioventricular Nodal Rhythm definition: The cardiac rhythm that results when the heart is controlled by the atrioventricular node.
atrioventricularnodalrhythmdefinitionmeaning