ABBR: ASSS Any of the specifications that govern the manufacture and use of threaded systems that link high-pressure, medical gas cylinders and the pressure-reducing valves that release the gases for clinical use to the patient. ASSS specifications differ for each type of medical gas in order to prevent medical errors, for example, to keep users from administering nitrogen or carbon dioxide to a patient for whom oxygen has been prescribed.
Whenever gases, e.g., anesthetics, nebulized medications, oxygen are administered to patients, care should be taken to definitively identify the source gas and to monitor its concentration and flow rate.
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