Figure 1 : Transthoracic echocardiography.

(A) Dilated aortic sinuses of Valsalva (VA).
(B) The interspace between the base of the left ventricle (arrow) and posterior leaflet of the
mitral valve in systole.
(C) The interspace disappeared in diastole and (D) Severe mitral valve prolapse with mild
mitral regurgitation.

Kimura et al.Cardiovascular System  2015 3:2DOI : 10.7243/2052-4358-3-2