Fig. 19
From: CT imaging features of atrioventricular shunts: what the radiologist must know
Different atrial septal occluder devices are shown: the Biostar© device (Organogenesis, Canton, MA, USA) in figures a–b, the Premere© device (St Jude Medical, St. Paul, MN, USA) indicated by arrows in Figures c–d and the Amplatzer© device (AGA Medical, Plymouth, MN, USA) indicated by arrows in Figures e–f. Difference in architecture between the devices can clearly be appreciated as well as a difference in artifact production, most pronounced in the Premere device. RA right atrium, LA left atrium