1. 57 Comparison of Upgraded Versus de-novo Cardiac Resynchronisation Therapy (CRT) Devices on Cardiovascular Outcomes and Response. (6th June 2015) Authors: McAloon, Christopher; Heining, Domonic; Barker, Jethro; Atherton, Gavin; Anderson, Benjamin; Osman, Faizel Journal: Heart Issue: Volume 101(2015)Supplement 4 Page Start: A31 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗