RT Journal Article SR Electronic T1 Ischaemic changes during transcatheter aortic valve implantation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 801 OP 866 DO 10.1136/heartjnl-2019-316020 VO 106 IS 11 A1 Mohammad Alkhalil A1 Mark. S Spence A1 Colum Owens YR 2020 UL http://heart.bmj.com/content/106/11/801.abstract AB