Quadricuspid Aortic Valve: A Rare Cause of Aortic Regurgitation

Figures

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  Figure 1. Transthoracic echocardiographic image showing a dilated left ventricle with an end-diastolic volume of 240 mL (A) and left ventricular end-systolic volume of 78 mL (B).

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  Figure 2. Transthoracic echocardiographic image, parasternal long-axis view, of the left ventricle showing a dilated left ventricle.

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  Figure 3. Transthoracic echocardiographic parasternal long-axis view with color Doppler showing severe aortic regurgitation with a vena contracta width of 0.7 cm2.

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  Figure 4. Two-dimensional transesophageal echocardiographic image showing short-axis aortic valve in systole with four distinct equally sized aortic valve cusps (Hurwitz and Roberts subtype A).

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  Figure 5. Two-dimensional transesophageal echocardiographic image showing the QAV closed in diastole. Seen is the X formation of the valve, instead of the upside down Y (Hurwitz and Roberts subtype A). See Video 2.

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  Figure 6. Three-dimensional transesophageal echocardiographic images of QAV in short axis showing four distinct aortic valve leaflets.