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Crawford Long U.S. postage stamp. Long was born in Danielsville, [3] Madison County, Georgia on November 1, 1815, to James and Elizabeth Long. [4] His father was a state senator, a merchant and a planter, and named his son after his close friend and colleague, Georgia statesman William H. Crawford.
In 1839, he discovered, conceived, and promoted the practice of "phreno-magnetism", but relinquished his claims as mistaken by mid-1843. He was also involved in a number of scandals and rivalries, including a claim that he originated inhalation anesthesia for surgery before William T. G. Morton , who is generally credited with the discovery.
Until 1913, oral and maxillofacial surgery was performed by mask inhalation anesthesia, topical application of local anesthetics to the mucosa, rectal anesthesia, or intravenous anesthesia. While otherwise effective, these techniques did not protect the airway from obstruction and also exposed patients to the risk of pulmonary aspiration of ...
An inhalational anesthetic is a chemical compound possessing general anesthetic properties that is delivered via inhalation. They are administered through a face mask, laryngeal mask airway or tracheal tube connected to an anesthetic vaporiser and an anesthetic delivery system.
In January 1845, Massachusetts General Hospital (MGH) in Boston allowed Wells to demonstrate the method of anesthesia. Unfortunately, the patient did not respond to the dose of nitrous oxide given, which resulted in Wells’ endless contempt. Wells continued with extensive self-experimentation, such as repeated inhalation, with various chemicals.
General anaesthesia (UK) or general anesthesia (US) is medically induced loss of consciousness that renders a patient unarousable even by painful stimuli. [5] It is achieved through medications, which can be injected or inhaled, often with an analgesic and neuromuscular blocking agent .
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.
A vaporizer holds a liquid anesthetic and converts it to gas for inhalation (in this case sevoflurane). A patient receiving anesthesia through inhalation. Anesthesia is a combination of the endpoints (discussed above) that are reached by drugs acting on different but overlapping sites in the central nervous system.