RT Journal Article SR Electronic T1 Adenosine-induced asystole to facilitate MitraClip placement in a patient with adverse mitral valve morphology JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 864 OP 864 DO 10.1136/hrt.2010.208132 VO 97 IS 10 A1 Francesco Borgia A1 Carlo Di Mario A1 Olaf Franzen YR 2011 UL http://heart.bmj.com/content/97/10/864.abstract AB