gas embolus

例句：

1. 1. The patient was diagnosed witha gas embolism and required immediatesurgery.
   患者被诊断出患有气体栓塞，需要立即进行手术。
2. 2. Gas embolism is a seriousmedical condition that can lead todeath if left untreated.
   气体栓塞是一种严重的医疗状况，如果不治疗可能会导致死亡。
3. 3.During the operation, the doctor successfully removedthe gas embolus from the patient's bloodstream.
   在手术中，医生成功地将气体栓塞从患者的血液中取出。