患者女,46岁。1个月前左下肢被犬咬伤,2周后出现发作性胸痛、呼吸困难,伴有濒死感,曾晕厥2次。查体:口唇紫绀,颈静脉怒张,双肺呼吸音弱,双肺底可闻及散在湿啰音?小腿可见犬咬伤痕迹,局部红肿明显,皮温升高。超声心动图提示:右肺动脉内见大小为1.90cm×1.17cm×1.20cm强回 Female patient, 46 years old. A month ago left leg was bitten by dogs, 2 weeks after onset of chest pain, difficulty breathing, accompanied by sense of nearness, had a syncope 2 times. Physical examination: cyanosis of the lips, jugular vein distention, lung breath sounds weak, the end of the lungs can be heard and scattered wet rales? Calf visible bite traces of local swelling was obvious, skin temperature increased. Echocardiography Tip: right pulmonary artery see the size of 1.90cm × 1.17cm × 1.20cm strong back