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  2. General anaesthesia - Wikipedia

    en.wikipedia.org/wiki/General_anaesthesia

    General anaesthesia (UK) or general anesthesia (US) is a method of medically inducing loss of consciousness that renders a patient unarousable even with painful stimuli. [5] This effect is achieved by administering either intravenous or inhalational general anaesthetic medications, which often act in combination with an analgesic and ...

  3. Anesthesia - Wikipedia

    en.wikipedia.org/wiki/Anesthesia

    The purpose of anesthesia can be distilled down to three basic goals or endpoints: [2]: 236 hypnosis (a temporary loss of consciousness and with it a loss of memory.In a pharmacological context, the word hypnosis usually has this technical meaning, in contrast to its more familiar lay or psychological meaning of an altered state of consciousness not necessarily caused by drugs—see hypnosis).

  4. General anaesthetic - Wikipedia

    en.wikipedia.org/wiki/General_anaesthetic

    General anaesthetics (or anesthetics) are often defined as compounds that induce a loss of consciousness in humans or loss of righting reflex in animals. Clinical definitions are also extended to include an induced coma that causes lack of awareness to painful stimuli, sufficient to facilitate surgical applications in clinical and veterinary practice.

  5. Outline of anesthesia - Wikipedia

    en.wikipedia.org/wiki/Outline_of_anesthesia

    Anesthesia – pharmacologically induced and reversible state of amnesia, analgesia, loss of responsiveness, loss of skeletal muscle reflexes or decreased sympathetic nervous system, or all simultaneously. This allows patients to undergo surgery and other procedures without the distress and pain they would otherwise experience.

  6. Theories of general anaesthetic action - Wikipedia

    en.wikipedia.org/wiki/Theories_of_general...

    The Meyer-Overton correlation for anaesthetics. A nonspecific mechanism of general anaesthetic action was first proposed by Emil Harless and Ernst von Bibra in 1847. [9] They suggested that general anaesthetics may act by dissolving in the fatty fraction of brain cells and removing fatty constituents from them, thus changing activity of brain cells and inducing anaesthesia.

  7. Anesthesia awareness - Wikipedia

    en.wikipedia.org/wiki/Anesthesia_awareness

    Full wakefulness and general anesthesia are the two extremes of the spectrum. Conscious sedation and monitored anesthesia care (MAC) refer to an awareness somewhere in the middle of the spectrum, depending on the degree to which a patient is sedated. Monitored anesthesia care involves titration of local anesthesia along with sedation and ...

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  9. Total intravenous anaesthesia - Wikipedia

    en.wikipedia.org/wiki/Total_intravenous_anaesthesia

    TIVA is used to induce general anesthesia while avoiding the disadvantages of volatile anesthesia (and traditional inhalation agents). [9] Intravenous anesthetic agents are titrated at safe doses to maintain stage III surgical anesthesia (unconsciousness, amnesia, immobility, and absence of response to noxious stimulation). [10]