PMC5791504_01
Two-dimensional transesophageal echocardiography (midesophageal aortic valve short axis view) showing the quadricuspid aortic valve
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F1
Intraoperatively, the transesophageal echocardiography revealed and confirmed the presence of a quadricuspid aortic valve (QAV) with the accessory cusp being rudimentary and placed between the right and left coronary cusps [Video 1 and Figure 1].
Surgeon's view of the quadricuspid aortic valve with the cardioplegia cannula in the left coronary ostium
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F2
Ostial cardioplegia was administered in the left coronary ostium [Figure 2].
Cardioplegia being delivered in the right coronary ostium located near the accessory cusp of the aortic valve
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F3
The right coronary ostium was found to be anomalously present near the accessory fourth cusp [Figure 3].