Show Balloon Gas Used U sed to Save Victims Lives Lines of Choking ng ATLANTIC CITY N. N J. J June 14 UP Choking Choking of nearly every sort can be ended by helium hellum This new use of the balloon gas gasto gasto to save sage lives from babies who swallow wt ticks or ch choke ke with croup to adults with strangling obstructions obstructions obstructions in their breathing tubes was shown today at the scientific exhibition exhibition exhibition ex ex- of ot the American Medical association The helium is mixed with oxygen oxygen oxy oxy- gen to make malte an artificial air 80 per cent helium and 20 per cent oxygen The first medical use of oC this odd air to relieve asthma reported in Philadelphia two wo months ago has been boen followed by rapid spread to other breathing troubles These are exhibited by Alvan L L. Barach Md of the Columbia Presbyterian medical center New Now York They include motion pictures pictures pic pie tures of oc children whose chests heave at one moment with the effort to breathe ordinary air and who the next moment under a helium tent lie He still breathing ef ef- ef- ef The extremely light weight of ot the helium air third one third one that of ot the differ differ- ordinary air makes air makes ence It passes readily through the choked breathing passages with on-c. on third one thIrd the muscular effort needed to draw real air through the same space The he physical principle behind this is a law Jaw that the force re required required required re- re to move a gas is directly proportional to its weight |