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To the Editor:
—The article by Dr. Carl R. Steinke on this subject (The Journal, April 9, p. 1267) interests me because of the deductions drawn from the explosion occurring, Nov. 11, 1926."This particular explosion might have been due to sparks resulting from discharges of static electricity. However, it is believed there was a small leak in the breathing tube." Competent anesthetists know that ether-oxygen mixtures, especially when enclosed, are explosive. There is always exhalation of ether and oxygen (with ethylene or nitrous oxide, if added) through an exhaling valve in all anesthetics, and intelligent prevention of such accidents will not be found in the periodic inspection of all electrical equipment or gas machines but in the use of common sense. Such anesthesia should never be used in the presence of electrical equipment. There is no field for ether enclosed anesthesia in an x-ray room at any time. The
Chalmers-Francis WV. NITROUS OXIDE-OXYGEN-ETHER EXPLOSION. JAMA. 1932;98(20):1761. doi:10.1001/jama.1932.02730460065031