PT - JOURNAL ARTICLE ED - , TI - Oxygen for respiratory failure in bronchitis AID - 10.1136/dtb.4.18.69 DP - 1966 Sep 02 TA - Drug and Therapeutics Bulletin PG - 69--70 VI - 4 IP - 18 4099 - http://dtb.bmj.com/content/4/18/69.short 4100 - http://dtb.bmj.com/content/4/18/69.full SO - Drug Ther Bull1966 Sep 02; 4 AB - In severe respiratory failure due to acute exacerbations of chronic bronchitis the patient is endangered mainly by hypoxia.1 Oxygen relieves the hypoxia but removes the hypoxic stimulus to breathing, which becomes depressed. Carbon dioxide accumulates and he is then endangered by carbon dioxide narcosis2 which is a clinical problem only after oxygen therapy.1