Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
December 2, 1974

The Oily Paper Bag

JAMA. 1974;230(9):1258. doi:10.1001/jama.1974.03240090018015

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


To the Editor.—  In the letter "The 'Oily' Paper Bag and Hyperventilation" (229:638: 1974), Dr. Riley mentioned that the increased carbon dioxide pressure when rebreathing from the bag held tightly over the mouth and nose lasts for three to four minutes. During this time, the oxygen concentration must fall to quite low levels, inducing a hazard in patients with coronary artery disease, and probably also in others. It would be of interest to know whether the oxygen pressure was measured.