Fig. 1

Transthoracic echocardiography in case 1. B-mode in parasternal long axis view. The arrow shows high echoic structure attached to the mitral valve [mitral valve prolapse (P3)]. M-mode in parasternal long axis view. The arrow shows vibration structure (shaggy eco). Color Doppler in parasternal long axis view. Yellow allows are showed color Doppler stripes. Color Doppler in apical 4-chamber view. Yellow arrows are showed color Doppler stripes. Ao: aorta, LA: left atrium, LV: left ventricle, RA: right atrium, RV: right ventricle