RT Journal Article SR Electronic T1 Dislodged occluder trapped in the left ventricle JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1281 OP 1281 DO 10.1136/hrt.2011.226316 VO 97 IS 15 A1 Po-Yuan Shih A1 Ya-Jung Cheng A1 Chih-Peng Lin YR 2011 UL http://heart.bmj.com/content/97/15/1281.abstract AB