The iE33 is an echocardiography system with xStream architecture for simultaneous, real-time, multiple data stream processing. It features PureWave crystal technology for improved 2-D image quality with conspicuous blood/tissue interfaces and highly sensitive color. The iE33 provides unprecedented levels of image quality in both 2D and complementary volumetric Live 3D imaging, along with quantification, clinical performance, and information management. It also features xMatrix, Live 3D Echo, and Live xPlane technology for excellent 3-D imaging.