Transcatheter Valve-in-Valve Mitral Valve Replacement Using 4D Intracardiac Echocardiogram and Conscious Sedation - Bhaskar Bhardwaj, MD; Gurion Lantz, MD; Harsh Golwala, MD; Scott Chadderdon, MD; Howard K. Song, MD, PhD; Firas Zahr, MD (Structural Heart, 2022)