1病例资料患者男性,56岁,飞行员,机种:运七,飞行时间:6000 h。主诉“反复左胸部紧缩不适12 d”于2014-10-29日入院。患者缘自2014-10-17日无明显诱因反复感觉左侧胸部紧缩不适,与呼吸等胸廓活动无关,无发热、胸痛、咳嗽、咳痰,无心慌、气促、胸闷等症状。既往体健,无烟酒嗜好。查体未见异常体征。辅助检查:血常规、肝肾功能、心肌酶谱、血沉、C-反应蛋白均正常;动态心电图、超声心动图、运动负荷试验、冠状动脉计 1 case information patients male, 56 years old, pilot, aircraft: transport seven, flight time: 6000 h. Chief complaint “repeated chest discomfort 12 d ” was admitted to hospital on 2014-10-10. Patients from 2014-10-17 no obvious incentive to repeatedly feel the left chest contraction discomfort, and breathing and other thoracic activities unrelated to fever, chest pain, cough, sputum, no palpitation, shortness of breath, chest tightness and other symptoms. Past physical health, non-smoking alcohol hobby. Physical examination showed no abnormal signs. Auxiliary examination: blood, liver and kidney function, myocardial enzymes, ESR, C-reactive protein were normal; dynamic electrocardiogram, echocardiography, exercise stress test, coronary artery