RT Journal Article SR Electronic A1 Jacobson, Anne T1 SMART-AV: No Benefit to Customized AV Delay in CRT JF MD Conference Express YR 2010 FD SAGE Publications VO 10 IS 10 SP 17 OP 17 DO 10.1177/155989771010009 UL http://mdc.sagepub.com/content/10/10/17.1.abstract AB For heart failure patients who are undergoing cardiac resynchronization therapy, echocardiographic- or ECG-based optimized AV delay does not improve upon standard programming approaches, according to new findings from the SmartDelay Determined AV Optimization: A Comparison to Other AV Delay Methods Used in Cardiac Resynchronization Therapy [SMART-AV] trial.