TY - RPRT TI - Electrocardiographically concealed variation in left ventricular capture: a case with implications for resynchronization therapy in ischemic cardiomyopathy. AU - Sara R Grimley AU - Matthew S Suffoletto AU - John Gorcsan AU - David Schwartzman PY - 2006 DO - 10.1016/j.hrthm.2006.02.013 UR - https://pubmed.ncbi.nlm.nih.gov/16731481/ ID - 16731481 ER -