Acute myocardial infarction typically resulting from an occlusion or obstruction of a coronary artery and characterized by sudden, severe pain in the chest that often radiates to the shoulder, arm, or jaw.心脏病发作：主要由于冠状动脉受阻或闭锁而引起的严重的心肌梗塞，特征为胸部猛然产生剧痛并通常辐射到肩部、胳膊或颚