ARTIFICIAL RESPIRATION. 431 
may be as near as possible to the ordinary breathing of a person. 
This artificial breathing method should be instantly employed 
in all cases of accident, such as drowning, suffocation by gases, 
smoke, or a blow over the region of the stomach, which often 
Fic. 154.—Another method of performing the artificial breathing operation. If the patient is lying 
on his back as in this case, his tongue must be pulled forward and fastened, to prevent it 
sagging back and blocking up the air passage to the lungs. 
deprives the victim of the power of breathing, and who might 
otherwise die of suffocation. This sometimes happens on the 
football field. Of course, you must always use careful judgment. 
The sooner artificial breathing is resorted to after normal breathing 
