Fig. 4 Echocardiographic Characteristics of patients according to LVEF pre-PCI during follow-up. A Tricuspid annular plane systolic excursion (TAPSE);B S’; C Right ventricular fractional area change (RVFAC); D Right ventricular free wall longitudinal strain (RVFWLS);E Right ventricular global longitudinal strain (RVGLS);F Right ventricular ejection fraction (RVEF); RVFWLS and RVGLS values are absolute values