Air Service Medical; War Department. Air Service. Division of Military Aeronautics

Air Service Medical; War Department. Air Service. Division of Military Aeronautics

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...etc. The influence of such factors on ability to withstand low oxygen was well illustrated by a subject who had been tested many times and found to be one of the hardiest we had met with. One day he was carried in the low-pressure chamber to an altitude of 22,000 feet and kept there about 15 minutes with almost no effect on his general efficiency or on his heart. That evening he dined with friends, drank a moderate amount of alcohol, and went to bed late. The following morning he felt rather giddy and had a slight headache. He was taken to 18,000 feet in the low-pressure chamber. At this point he had reached complete inefficiency by the psychological tests, was rather cyanotic, and examination of his heart showed the left border out 3 or 4 cm. If he had not been given oxygen at once or brought down quickly he would have fainted. It was fortunate for him that this occurrence took place in the laboratory and not while in an aeroplane thousands of feet above ground. We can only speculate as to whether such differences in condition are due to variations in nervous control or whether they have a basis in the chemistry of the tissues. At any rate, such temporary lack of condition is a much more serious matter than we are tempted to believe. Athletic trainers recognize it clearly enough and would not allow such a man to participate in a game, not because he would injure himself, but because he would not hold up to the strain and might lose the game. In flying, where the aviator's life is at stake, equal care should be observed, to say the least. PHYSIOLOGY OF EXERCISE COMPARED WITH AVIATION. It must be borne in nTind that the demand made upon the heart in aviation is widely different from that of physical exercise. The most obvious difference more

Product details

  • Paperback | 174 pages
  • 189 x 246 x 9mm | 322g
  • United States
  • English
  • black & white illustrations
  • 1236825209
  • 9781236825209