一.抗菌药物呼吸衰竭病人常有呼吸道感染,呼吸道感染又促使呼吸衰竭加重,因此控制呼吸道感染为抢救呼衰的重要措施。呼吸道感染多为G~+球菌引起,一般首选青霉素160～400万u(单位军)静滴或肌注,静滴容易获得稳态血药浓度,抢救呼衰多采用静滴给药。青霉素为细 Antimicrobial drugs Respiratory failure patients often have respiratory infections, respiratory infections and promote respiratory failure worse, so the control of respiratory tract infection is an important measure to rescue respiratory failure. Respiratory tract infections are mostly caused by G ~ + cocci, the general preferred penicillin 160 ~ 4000000 u (unit army) intravenous or intramuscular injection, intravenous easy to obtain steady-state plasma concentration, resuscitation call more use of intravenous drip. Penicillin is fine