患者男，32岁。因突发胸闷、气短、间断咯血30余日入院。患者因长期远途行车，近1年反复发作下肢静脉炎，近2月再次出现右下肢红、肿、热、痛伴行走困难，在当地医院经对症治疗后渐好转、体检：神清合作，自动体位。体温36t，呼吸22次／min，脉搏100次／min，血压13．97／9．98 Male patient, 32 years old. Due to sudden chest tightness, shortness of breath, intermittent hemoptysis admitted to hospital for more than 30 days. Patients due to long-term long-distance driving, nearly 1 years of recurrent phlebitis in the lower limbs, redness, swelling, fever, pain accompanied by walking in the past two months, difficulty walking in the local hospital after symptomatic treatment gradually improved, physical examination: Shenqing cooperation, Automatic position. Body temperature 36t, breathing 22 times / min, pulse 100 beats / min, blood pressure 13.97 / 9.98