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Unguarded mitral orifice, mirror-imaged atrial arrangement, and discordant atrioventricular connections
S Yasukochi1, G Satomi, I Park
1Department of Pediatric Cardiology, Nagano Children's Hospital, Toyoshina, Japan. naganoch@avisnet.ne.jp
Cardiology in the Young
|October 27, 1999
Abstract:
We report two autopsy proven cases of unguarded mitral orifice associated with mirror-imaged atrial arrangement, discordant atrioventricular connections, double outlet right ventricle, pulmonary valvar stenosis or atresia, and atrialisation of the morphologically left ventricle. The morphologically left atrioventricular junction was devoid of valvar leaflets, and there was no tension apparatus within the ventricle. To the best of our knowledge, this is the first description of this rare cardiac malformation.