(A–D) Mean size of myocardial infarction. (C) Typical appearance of the infarcted area (yellow arrow) in comparison to non-infarcted areas (red arrow). ECCP: esmolol crystalloid cardioplegia; EBCP: esmolol blood cardioplegia; Cala: Calafiore blood cardioplegia; LV: left ventricle; RV: right ventricle, SP: septum.