Guy Furniss1, Alejandro Jimenez2, Scott Harding3. 1. Derriford Hospital, Plymouth PL58DH, UK Wellington Regional Hospital, Wellington, New Zealand guyfurniss@yahoo.co.uk guy.furniss@nhs.net. 2. Wellington Regional Hospital, Wellington, New Zealand Heart and Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE. 3. Wellington Regional Hospital, Wellington, New Zealand.