INDUSTRIAL FUMIGATION AGAINST INSECTS 59 



Many commercial f umigators think that a man partially overcome 

 by hydrocyanic acid gas should be exercised vigorously. According 

 to Henderson and Haggard, 10 however, a gassed man should under 

 no circumstances be allowed to exercise. "He should neither walk nor 

 even sit up, but must be kept recumbent and as quiet as possible until 

 all symptoms have passed off." 



He should not be given hypodermic injections or alcoholic stimu- 

 lants. No liquids should be given by mouth unless the patient is 

 fully conscious. He should not be allowed to return to work until 

 he has fully recovered from the effects of the gas. 



If the patient has ceased breathing, artificial respiration should be 

 begun immediately, with use of the Shaefer prone-pressure method 

 described below. 



SHAEFER PRONE-PRESSURE METHOD OF ARTIFICIAL 

 RESPIRATION 11 



1. Lay the patient on his belly with his face to one side so that 

 his nose and mouth are free for breathing. Place one of his arms 

 straight out beyond his head and the other under his head, with both 

 hands flat and palms down. 



2. Kneel, straddle one of the patient's thighs, and face his head; 

 rest the palms of your hands on his loins with your thumbs along 

 the index fingers and with fingers spread over lowest or floating ribs. 



3. With your arms held straight, swing forward slowly for about 3 

 seconds so that the weight of your body is gradually, not violently, 

 brought to bear upon the patient. 



4. Then, leaving your hands in place, swing backward slowly so as 

 to remove the pressure, thus returning to the position noted in para- 

 graph 2. Then remove the hands to allow the ribs to expand quickly, 

 filling the lungs with air. Swung slowly backward to upright posi- 

 tion, thus relieving the muscles of the back. 



5. Repeat deliberately 12 times per minute, swinging forward and 

 backward without interruption until natural breathing is restored 

 or until the doctor arrives. 



Artificial respiration should be continued 3 to 4 hours if necessary. 

 Loosen all tight clothing about the patient's neck, chest, or waist 

 and keep him warm by whatever means are available- 

 Next to artificial respiration, the inhalation of a mixture of oxygen 

 and 5-percent carbon dioxide is most useful in resuscitation. By use 

 of a specially designed inhalator the mixture of oxygen and carbon 

 dioxide should be administered for from 20 to 30 minutes immedi- 

 ately after the man is removed from the gas or as soon thereafter 

 as possible. 



10 See footnote 3. 



n These directions are summarized from those given by other authors. Complete au- 

 thentic information concerning this method can be obtained from the U. S. Public Health 

 Service, Washington, D. C. 



