Figure 14

Hearts anatomic specimens with a common atrioventricular valve (A) and with two atrioventricular valves (A'), in the latter observe a continuous valve insertion on the crest of the ventricular septum, obliterating the ventricular septal defect (asterisk). Note the similarity in both types of atrioventricular defect of the shortened inflow tract and the elongated outflow tract (dotted line). The same features are shown in the echocardiographic image (B) of a common atrioventricular valve. Abbreviations as before.