Echocardiography Killip Classification (eKillip Class) as a Predictor of Cardiovascular Rehospitalization and Mortality in Patients with Acute Myocardial Infarction Ayu Putu Harina Ferdiyanthi*, Ida Bagus Rangga Wibhuti, and I Kadek Susila Surya Darma Abstract Background: Patients with acute myocardial infarction (AMI) are at risk of experiencing cardiovascular events such as