ANXIOLYTIC AND HYPNOTIC AGENTS.docx - August 9 2019 Chapter 20 Anxiolytic and Hypnotic Agents Anxiety \u2013 feeling of tension nervousness apprehension or

ANXIOLYTIC AND HYPNOTIC AGENTS.docx - August 9 2019 Chapter...

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August 9, 2019 Chapter 20 Anxiolytic and Hypnotic Agents Anxiety – feeling of tension, nervousness, apprehension or fear involving unpleasant reactions to a stimulus Sedation – loss of awareness and reaction to environmental stimuli Hypnosis – Extreme sedation resulting in further CNS depression and sleep Types of anxiolytic an hypnotic agents Anxiolytics – prevent feelings of tension of fear Sedatives – calm and make patients unaware of the environments Hypnotics – cause sleep Minor tranquilizers – produce a state of tranquility in anxious patients ANXIOLYTIC AND HYPNOTIC AGENTS BENZODIAZEPINE Act in the limbic system and the RAS o Limbic System – motivation, emotion, learning, memory o Reticular activating System – controls arousal awareness of stimuli; sleep center Make Gamma aminobutyric acid ( GABA ). More effective o Inhibits nerve activity and is important Indications : Anxiety disorders Alcohol withdrawal – insomnia, rapid heartbeat, sweating, tremors Hyperexcitability Preoperative relief of anxiety and tension
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