ABSTRACT

Further subcategorization can be achieved by regarding the atrial situs (solitus, inversus, and indeterminate), the type of AV connection (double inlet, absent right, or absent left)6 and right-or left-hand pattern of ventricular organization and ventriculoatrial connection (concordant, discordant, doubleoutlet aorta, single-outlet aorta, single-outlet pulmonary trunk, and common arterial trunk).4