TY - BOOK AU - Goldstein, Steven A TI - Authors' Reply SN - 0894-7317 KW - *Echocardiography/st [Standards] KW - *Heart Ventricles/us [Ultrasonography] KW - *Practice Guidelines as Topic KW - *Stroke Volume KW - *Ventricular Dysfunction/us [Ultrasonography] KW - Female KW - Humans KW - Male KW - MedStar Heart & Vascular Institute N1 - Available online from MWHC library: 1995 - present UR - http://dx.doi.org/10.1016/j.echo.2015.04.017 ER -