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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.
Continuous-flow anaesthetic machine: used to provide a measured and continuous supply of gases (oxygen, nitrous oxide, etc.), mixed with a required concentration of anesthetic vapor to the patient at a required pressure and rate; video link: Anesthetic vaporizers: vaporizes the anesthetic Oxygen mask
Contemporary anaesthetic machines are sometimes still referred to metonymously as "Boyle's machine", and are usually mounted on anti-static wheels for convenient transportation. Handheld anaesthetic device for trichloroethylene, made in the UK, 1947. This device was designed for self-administration by the patient.
The society holds two main annual meetings. Winter Scientific Meeting (WSM) is the Association's largest annual event. Held in London each year, WSM is the leading [citation needed] anaesthetic meeting in the UK with an attendance of around 800 national and international delegates. The scientific programme focuses on current issues in anaesthesia.
The following outline is provided as an overview of and topical guide to 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.
Anesthesia (American English) or anaesthesia (British English) is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes. It may include some or all of analgesia (relief from or prevention of pain ), paralysis (muscle relaxation), amnesia (loss of memory), and unconsciousness .
Anesthesiology, anaesthesiology or anaesthesia is the medical specialty concerned with the total perioperative care of patients before, during and after surgery. [1] It encompasses anesthesia, intensive care medicine, critical emergency medicine, and pain medicine. [2]
Anaesthetic agents may be administered by various routes, including inhalation, injection (intravenous, intramuscular, or subcutaneous), oral, and rectal. Once they enter the circulatory system , the agents are transported to their biochemical sites of action in the central and autonomic nervous systems.