Without quick treatment, the paralysis will cause asphyxial death because of respiratoryparalysis.
如果没有迅速的治疗，麻痹会导致窒息死亡，因为呼吸的麻痹。
2
The prognosis of the patients in this study is good expect 3 patients died from respiratoryparalysis.
临床除3例死于呼吸肌麻痹，其余预后均较好。
3
Symptoms of over-exposure may include bluish discolouration of lips and tongue, severe headache, nausea, confusion, dizziness, shock, respiratoryparalysis, death.