iam from nepal one want to ask a quation,my quation is my sister (18 years old)injured by by bike accident at 7 days ago, her right leg and right hand was broken she is now so serious ,she is in ventilator, doctor said that because of breaking the bone of her thai her laungs cant work itself so we are using ventilater, so i want to know that to active her laungs what they (doctor) used ,medicine or what ?