Maximizing preoxygenation is the cornerstone of safe emergency airway management both in the emergency department(ED)and in prehospital settings.Emergency patients are particularly vulnerable to hypoxemic deterioratio...Maximizing preoxygenation is the cornerstone of safe emergency airway management both in the emergency department(ED)and in prehospital settings.Emergency patients are particularly vulnerable to hypoxemic deterioration during apnea due to factors such as impaired lung function,anemia,and/or increased metabolic demands.Preoxygenation aims to extend the safe-apnea time.[1]However,in clinical practice,this critical step is often underemphasized or inadequately performed.展开更多
文摘Maximizing preoxygenation is the cornerstone of safe emergency airway management both in the emergency department(ED)and in prehospital settings.Emergency patients are particularly vulnerable to hypoxemic deterioration during apnea due to factors such as impaired lung function,anemia,and/or increased metabolic demands.Preoxygenation aims to extend the safe-apnea time.[1]However,in clinical practice,this critical step is often underemphasized or inadequately performed.