Diagnosis of acute mountain sickness challenged by study of Nepalese pilgrims

A study led by University of British Columbia scientists calls into question a widely used method of diagnosing acute mountain sickness.The Lake Louise Score Questionnaire has been used for more than two decades to determine if someone was suffering from acute mountain sickness (AMS), which strikes people at elevations above 2,500 metres. The lack of oxygen causes a spectrum of ailments, from headaches to vomiting to potentially fatal swelling of the brain or lungs.