1临床资料患者,男性,51岁,因右下肢疼痛、肿胀伴有胸闷、憋气5 d,以“右下肢深静脉血栓形成,肺栓塞”于2011年3月24日入院。查体体温:36.8℃,心率:100/min,脉搏:22/min,血压:150/100 mmHg。双肺呼吸音清,右肺呼吸音弱。右下肢中度肿胀,皮肤张力高,有压痛,左下肢未见异常。双腿周径比(左/ 1 Clinical data Patients, male, 51 years old, due to right lower extremity pain, swelling associated with chest tightness, suffocation 5 d to “lower extremity deep vein thrombosis, pulmonary embolism ” on March 24, 2011 admission. Physical examination temperature: 36.8 ℃, heart rate: 100 / min, pulse: 22 / min, blood pressure: 150/100 mmHg. Respiratory sound clear lungs, right lung breath sounds weak. Moderate swelling of the right lower extremity, high skin tension, tenderness, no abnormalities in the left lower extremity. Legs than the circumference ratio (left /