Echocardiography has become the premier diagnostic imaging modality in clinical cardiology, and continues to push the frontiers of science through newer techniques, such as three-dimensional imaging, contrast imaging, tissue Doppler imaging. The Atlas of Echocardiography is dedicated to techniques and protocols, hemodynamics and physics, anatomic and flow applications in disease states, the role of echocardiography in clinical situations such as intensive care units or operating rooms, and finally targeted imaging, which is an exciting developing application.