Preoperative preparation of the patient with a drug combination of a vagolytic, a sedative, and — if necessary — an analgetic eases the induction and maintenance of anesthesia. There are no general rules for the selection of the single components. The anesthetist has to choose according to personal experience in the light of the individual needs of the patient and the nature of the operation to be performed. Besides its other effects, premedication has an effect on consciousness. Drug-specific but individually varying and age-related differences are also registered on the EEG.
KeywordsDepression Morphine Diazepam Fentanyl Tral
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