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  2. General anaesthetic - Wikipedia

    en.wikipedia.org/wiki/General_anaesthetic

    General anesthetics are frequently administered as volatile liquids or gases. Inhalational anaesthetic substances are either volatile liquids or gases, and are usually delivered using an anaesthesia machine. An anaesthesia machine allows composing a mixture of oxygen, anaesthetics and ambient air, delivering it to the patient and monitoring ...

  3. General anaesthesia - Wikipedia

    en.wikipedia.org/wiki/General_anaesthesia

    General anaesthesia is usually induced in an operating theatre or in an anaesthetic room next to the theatre. More rarely, it may be induced in an endoscopy suite, intensive care unit , radiology or cardiology department, emergency department , ambulance, or even at the site of a disaster where extrication of the patient may be impractical.

  4. Anesthetic - Wikipedia

    en.wikipedia.org/wiki/Anesthetic

    Leaves of the coca plant (Erythroxylum novogranatense var. Novogranatense), from which cocaine, a naturally occurring local anesthetic, is derived [1] [2]. An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia ⁠— ⁠in other words, to result in a temporary loss of sensation or awareness.

  5. Anesthesia - Wikipedia

    en.wikipedia.org/wiki/Anesthesia

    Each anesthetic has its own potency, which is correlated to its solubility in oil. This relationship exists because the drugs bind directly to cavities in proteins of the central nervous system, although several theories of general anesthetic action have been described. Inhalational anesthetics are thought to exact their effects on different ...

  6. History of general anesthesia - Wikipedia

    en.wikipedia.org/wiki/History_of_general_anesthesia

    Two weeks later, Morton became the first to publicly demonstrate the use of diethyl ether as a general anesthetic at Massachusetts General Hospital, in what is known today as the Ether Dome. [105] On 16 October 1846, John Collins Warren removed a tumor from the neck of a local printer, Edward Gilbert Abbott. Upon completion of the procedure ...

  7. Theories of general anaesthetic action - Wikipedia

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

    A general anaesthetic (or anesthetic) is a drug that brings about a reversible loss of consciousness. [2] These drugs are generally administered by an anaesthetist/ anesthesiologist to induce or maintain general anaesthesia to facilitate surgery .

  8. Outline of anesthesia - Wikipedia

    en.wikipedia.org/wiki/Outline_of_anesthesia

    This allows patients to undergo surgery and other procedures without the distress and pain they would otherwise experience. An alternative definition is a "reversible lack of awareness," including a total lack of awareness (e.g. a general anesthetic) or a lack of awareness of a part of the body such as a spinal anesthetic.

  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]