‘A ring in the heart’Butler, Thomas CWall, DouglasHamilton-Craig, ChristianAuthor information1 Cardiology Department, The Prince Charles Hospital, Brisbane, Queensland, Australia 2 Department of Cardiac Surgery, The Prince Charles Hospital, Brisbane, Queensland, Australia Dr Thomas C Butler, Cardiology Department, The Prince Charles Hospital, 30 Liverpool Road, Clayfield, Brisbane, QLD 4011, Australia; [email protected]Received March 17, 2015Received in revised form June 29, 2015Accepted July 14, 2015Heart 101(24):p 1953, December 15, 2015. | DOI: 10.1136/heartjnl-2015-307738Copyright © 2015 BMJ Publishing Group Ltd and the British Cardiac Society