The electroencephalogram in acute mountain sickness

Acute mountain sickness (AMS) is a neurological syndrome characterized by headache, nausea, vomiting, insomnia and ataxia and usually observed within 4 to 96 hr of abrupt ascent to high altitude. The authors wished to see if the electroencephalogram (EEG) reflected the severity of AMS or could be used to determine which people were at risk of developing AMS. Seven healthy male subjects were studied at sea level and at 5,360 m and the severity …