title: Letter by Shanmugam et al regarding article, "Primary results from the SmartDelay determined AV optimization: a comparison to other AV delay methods used in cardiac resynchronization therapy (SMART-AV) trial: a randomized trial comparing empirical, echocardiography-guided, and algorithmic atrioventricular delay programming in cardiac resynchronization therapy".
authors.forename: Nesan
authors.initials: N
authors.lastname: Shanmugam
authors.forename: Gabor
authors.initials: G
authors.lastname: Borgulya
authors.forename: Lisa
authors.initials: L
authors.lastname: Anderson
mesh_terms: D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D023381:Endpoint Determination; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D018401:Sample Size; D013318:Stroke Volume; D016896:Treatment Outcome