title: Letter by Dwivedi et al regarding article, "Left ventricular untwisting rate by speckle tracking echocardiography".
authors.forename: Girish
authors.initials: G
authors.lastname: Dwivedi
authors.forename: Michael P
authors.initials: MP
authors.lastname: Frenneaux
authors.forename: John E
authors.initials: JE
authors.lastname: Sanderson
mesh_terms: D003971:Diastole; D004452:Echocardiography / Q000379:methods*; D006801:Humans; D009038:Motion; D013318:Stroke Volume; D018487:Ventricular Dysfunction, Left / Q000473:pathology*