Sitorus, Andi Renata Bastario (2021) PERUBAHAN PARAMETER ELEKTROKARDIOGRAM PADA PENDERITA DEFEK SEPTUM ATRIUM SEKUNDUM PASCA INTERVENSI DI RSUP DR. WAHIDIN SUDIROHUSODO = POST-INTERVENTIONAL CHANGES OF ELECTROCARDIOGRAM PARAMETERS IN PATIENT WITH SECUNDUM ATRIAL SEPTAL DEFECT AT RSUP DR. WAHIDIN SUDIROHUSODO. Thesis thesis, Universitas Hasanuddin.