Table 1

Anatomic classification of CAVC [4]

Type A
the superior bridging leaflet is almost completely adherent to the left ventricle and is firmly attached on the ventricular septum by multiple chordal insertions
Type B
the superior bridging leaflet is attached over the ventricular septum by an anomalous papillary muscle of the right ventricle
Type C
the superior bridging leaflet is not attached to the ventricular septum (free-floating leaflet)

Calabrò and Limongelli Orphanet Journal of Rare Diseases 2006 1:8   doi:10.1186/1750-1172-1-8

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