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138, 151, 167, 189, 214], 'sudden': [11], 'cardiac': [12, 145], 'death': [13, 146], 'after': [14, 88], 'acute': [15], 'myocardial': [16], 'infarction': [17], '(AMI).': [18], 'This': [19, 203], 'study': [20], 'aims': [21], 'to': [22, 31, 39, 195, 210], 'investigate': [23], 'the': [24, 33, 58, 77, 200, 212], 'clinical': [25], 'characteristics': [26], 'and': [27, 38, 117, 144, 162], 'outcomes': [28], 'VT/VF,': [30, 37, 191], 'identify': [32], 'variables': [34], 'associated': [35], 'with': [36, 47], 'construct': [40], 'new': [42, 170, 204], 'scoring': [43, 205], 'system.': [44], '<h3>Methods</h3>': [45], 'Patients': [46, 90], 'relatively': [48, 85], 'preserved': [49, 86, 181], 'left': [50, 158], 'ventricular': [51], 'ejection': [52], 'fraction': [53], '(LVEF)': [54], '(≥40%)': [55], 'included': [56], 'in': [57, 70, 76], 'Korea': [59], 'Acute': [60], 'Myocardial': [61], 'Infarction': [62], 'Registry-National': [63], 'Institutes': [64], 'Health': [66], 'registry': [67], 'were': [68, 91, 113, 119, 164], 'enrolled': [69], 'this': [71], 'study.': [72], 'Among': [73], '13,109': [74], 'patients': [75, 183], 'registry,': [78], 'total': [80, 123], '10,334': [82], '(78.8%)': [83], 'had': [84], 'LVEF': [87, 163, 182], 'AMI.': [89], 'divided': [92], 'into': [93], 'two': [94], 'groups': [95], 'based': [96], 'on': [97], 'whether': [98], 'they': [99], 'experienced': [100, 127], 'life-threatening': [101, 128, 190], 'VT/VF': [102, 110, 131], 'during': [103, 111, 199], 'hospitalization': [104, 112], 'not.': [106], 'The': [107, 130], 'predictors': [108], 'for': [109], 'assessed.': [114], 'In-hospital': [115], 'mortality': [116, 140], 'complications': [118], 'recorded.': [120], '<h3>Results</h3>': [121], 'A': [122, 169], '358': [125], '(3.5%)': [126], 'VT/VF.': [129, 168, 215], 'group': [132], 'was': [133], 'at': [134, 187], 'an': [135], 'increased': [136], 'risk': [137, 171, 188, 213], 'in-hospital': [139], '(odds': [141, 147], 'ratio': [142, 148], '2.99)': [143], '3.40).': [149], 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