Medical gases are any gaseous substance that meets medical purity standards and has application in a medical environment. Some of the medical gases are oxygen, carbon dioxide, medical air and nitrous oxide. Medical oxygen is an essential element to support respiration. Medical oxygen is widely used in the management of various acute and chronic health conditions. Medical oxygen is used for aid resuscitation, aid cardiovascular stability and provides life support for artificial ventilated patient. In addition, medical oxygen provides basis for modern anesthetic techniques. Medical oxygen also helps to restore tissue oxygen tension in conditions such as cardiac and respiratory arrest, cyanosis, COPD, shock, carbon monoxide poisoning, major trauma and severe hemorrhage. Medical oxygen is used in a hospital setting or pre-hospital setting to manage emergency situations. It is also used in the home setting to manage long-term health conditions.
Oxygen supplement is the vital requirement for people suffering with respiratory illness. There are no definite contraindications of medical gas. Although, inspired concentration of medical oxygen should be limited in case of emphysema and chronic bronchitis patients and premature infants. The use of higher levels of medical oxygen increases the risk of pulmonary toxicity in patients administrating antibiotics such as nitrofurantoin bleomycin and amiodarone. Sometimes, compressed medical oxygen toxicity may lead to convulsions, retrolenticular fibroplasia in premature infants and retrosternal soreness associated with coughing and breathing difficulties. There are specific standards for handling and usage of the medical gas as to avoid risks and hazards associated to medical gases.
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