2019 ACC/AHA/ASE Key Data Elements and Definitions for Transthoracic Echocardiography: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Data Standards (Writing Committee to Develop Cardiovascular Endpoints Data Standards) and the American Society of Echocardiography
J Am Coll Cardiol. 2019 Jul 23;74(3):403-469.
doi: 10.1016/j.jacc.2019.02.027.
Epub 2019 Jun 24.