Peran Hiperglikemia Akut terhadap Risiko Aritmia Maligna pada Pasien Infark Miokard Akut: Telaah terhadap Kerusakan Miokard, Perubahan Kanal Ion dan Faktor Inflamasi = The Role of Acute Hyperglycemia in the Risk of Malignant Arrhythmia in Acute Myocardial Infarction Patients: Study of Myocardial Damage, Ion Channel Changes and Inflammatory Factors / Sally Aman Nasution