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Physiology in Aviation

JAMA. 1944;125(1):91. doi:10.1001/jama.1944.02850190093031.
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ABSTRACT

Commander Gemmill's book presents a concise outline of the present status of aviation medicine from a physiologic point of view and is written in such a way that it is of value not only to flight surgeons but to aviators as well. The changes which a normal person must undergo in flying, such as acceleration, possible anoxia, fatigue, cold, vibration, fear and combat, and the changes in man's internal environment which are made to meet these conditions, are well outlined. In reviewing the composition, pressure and temperature of the air in which man flies, the importance of remembering that altitudes must be expressed as pressure altitudes is stressed—that is, the actual altitude that the altimeter indicates, since the reaction of the body depends on this altitude rather than on a corrected altitude, which takes into account changes in temperature. The mechanics of respiration, gas laws and their application, properties and

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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