... of the various tissues, and the so-called symptoms of altitude sickness are either due to primary effects of oxygen ... an increase in arterial pressure occurs as the symptoms of altitude sickness develop. Upon physical exertion at subcritical elevations, the ...

... from those to which workers in compressed air ALTITUDE DECOMPRESSION SICKNESS 319 His symptoms disappeared on returning to sea-level pressure. As ... occur in subjects who have previously had syncopal symptoms with decompression sickness at altitude. The severe post-flight shock can best be ...

... 24 AIR CORPS that of oxygen. Consequently, the symptoms of altitude sickness may occur even at sea level if the ... earth’s surface. j. A partial preventive of the symptoms and effects of 1owt pressure sickness at high altitude may be attained by the standard diving pro- ...

... 9.—Vohmianin, P. F. [Clinical aspect and practical diagnosis of altitude sickness in aviators at aero- dromes] Voen. san. delo, ...

... long ago as 1590 d’Acosta de- scribed symptoms of high altitude sickness. The more exact scientific investigations of the conditions ... is the factor responsible almost entirely for the symptoms produced at high levels. Two forms of altitude sickness are known. The first is acute, characterized by ...

... of ~ 9,000 meters (29,850 feet) no symptom of altitude sickness*"' occurred* During descent from altitudes of 10,000 ...

... ocecur in subjects who have previously had syncopal symptoms: with decompression sickness at altitude. The severe nost-flight shock can best be ... Fig. 1O would be expected to have some symptoms of decompression sickness at altitudes as low as 23,000 feet., Gray (31) ...

... ft. per minute and to remain at this altitude for 1 hour without symptoms of decompression sickness. 2545. Behnke, A. R., Jr. Employment of helium ...

... OCCURRENCE OF DECOMPRESSION SICKNESS ON DESCENT FROM HIGH ALTITUDES 1. Introduction While the symptoms of decompression sickness usually ogcut during a stay at altitudes above ...

... 1878 furnished experi- mental proof that the abnormal symptoms and dangers of altitude sickness depend on the imperfect aeration of the arterial ... known and described for some time as mountain sickness or puna. These symptoms ... to rarified atmosphere in altitudes of 6000 to 10,000 ft. and higher ...