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Utility of three-dimensional transthoracic echocardiography in diagnosis of intermediate atrioventricular septal defect: report of an adult case |
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| Authors: | Ayako Miyamoto Satoshi Yuda Yoshihito Higashidate Satoru Takagi Tetsuji Miura |
| Affiliation: | 1. Department of Clinical Laboratory, Sapporo Social Insurance General Hospital, Sapporo, Japan 2. Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-0061, Japan 3. Department of Pediatrics, Sapporo Social Insurance General Hospital, Sapporo, Japan 4. Department of Cardiology, Sapporo Social Insurance General Hospital, Sapporo, Japan |
| Abstract: | We present the case of a 54-year-old male with an intermediate atrioventricular septal defect (AVSD). He was referred to our institute for treatment of shortness of breath. Two-dimensional transthoracic echocardiography demonstrated an ostium primum defect of the atrial septum, a common atrioventricular valve with mild regurgitations, and an interventricular communication, which are the features of complete AVSD. However, three-dimensional transthoracic echocardiography (3D-TTE) could clearly visualize the tricuspid pouch (i.e., persistence of the tissue in the endocardial cushion), a feature of partial AVSD. 3D-TTE appears to be a useful modality for diagnosis of intermediate AVSD. |
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