title: Letter regarding article by Shvilkin et al, "T-vector direction differentiates postpacing from ischemic T wave inversion in precordial leads".
authors: John E
authors: JE
authors: Madias
mesh_terms: D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D017202:Myocardial Ischemia / Q000503:physiopathology*