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what do you see in the picture? ? An anesthesia machine ? A beautiful and smart anesthetist Administration of General Anesthesia Xiao Ying ( 肖穎 ) The First Affiliated Hospital of Sun Yatsen University Mar 2022 Overview ? What is general anesthesia? ? Preoperative preparation ? Induction: going off to sleep ? Maintenance: keeping pt asleep ? Emergence: waking up ? Transport What is general anesthesia ? Primary goals Safety is top priority Amnesia: no memory of the event Hypnosis: unconcious Analgesia: free of pain Block certain autonomic reflexes Optimal surgical conditions: immobolity What is general anesthesia ? Secondary goals Medical condition Surgical procedures Surgical settings Examples for secondary goals ? Patients with CAD: Oxygen supplydemand balance ? Neurosugery: ICP control, brain relaxation and CPP maintenance ? Obstetrics: anesthetics and fetal depression, difficult airway ? Day surgery vs Inpatient: which kind of analgesic you should choose to minimize postoperative pain and decrease PONV? Preoperative preparation ? Preoperative evaluations Airway examination Interim changes in pt’s condition Medications Laboratory data Consultant notes