title: Letter by Jeilan et al regarding article, "Longitudinal strain delay index by speckle tracking imaging: a new marker of response to cardiac resynchronization therapy".
authors: Mohamed
authors: M
authors: Jeilan
authors: Jiun H
authors: JH
authors: Tuan
authors: G Andre
authors: GA
authors: Ng
mesh_terms: D002304:Cardiac Pacing, Artificial; D002306:Cardiac Volume; D006333:Heart Failure / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D017202:Myocardial Ischemia / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy*; D013599:Systole