1病例报告患者男,38岁。因外伤致左侧胸背部疼痛3h到我院心胸外科就诊。查体:平素体健,否认食物、药物过敏史。体温36.5℃,脉搏108/min,呼吸20次/min,血压131/78mmHg。表情痛苦,全身皮肤无黄染、皮疹及出血点;胸廓对称无畸形,呼吸正常,左侧胸背部可见局部红肿及擦伤,无渗出,压痛,胸廓挤压征阳性,未触及明显骨擦感;呼吸动度两侧对称,触诊语颤两侧对称,双肺叩诊呈清音,双肺呼吸音清,未闻及干湿性啰音。余 1 case report patient male, 38 years old. Left chest and back pain due to trauma 3h to our hospital cardiothoracic surgery. Physical examination: usually physical health, denial of food, drug allergy history. Body temperature 36.5 ℃, pulse 108 / min, breathing 20 times / min, blood pressure 131 / 78mmHg. Facial expression without pain, the skin no yellow dye, rash and bleeding; thoracic symmetry no deformity, normal breathing, left chest and back visible local swelling and abrasions, no exudation, tenderness, thoracic extrusion sign positive, did not touch the obvious bone rub Stroke degree of symmetry on both sides, symmetrical palpation tremor on both sides of the symmetry, percussion lung was clear voice, lung breath sounds clear, unheard-of and wet rales. I