Figure 1. (a)Transthoracic echocardiogram in parasternal long-axis view illustrating a dilated coronary sinus; (b)Transthoracic echocardiogram in apical right ventricular inflow view illustrating a dilated coronary sinus. (Ao: aorta; CS: coronary sinus; LA: left atrium; LV: left ventricle; RA: right atrium; RV: right ventricle)
Figure 2. (a)Transthoracic echocardiogram in apical right ventricular inflow view illustrating early opacification of right chambers following agitated saline injection from right antebrachial vein; (b)Transthoracic echocardiogram in apical right ventricular inflow view illustrating early opacification of the abnormally large coronary sinus following agitated saline injection from left antebrachial vein. (CS: coronary sinus; LV: left ventricle; RA: right atrium; RV: right ventricle)