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Background: Rescue efforts for earthquakes in remote plateau regions require large numbers of professional personnel to be transported from various lowland regions for relief work. Unacclimatised rescuers to high-altitude regions commonly suffer acute mountain sickness (AMS), which makes relief efforts inefficient and potentially dangerous., Methods: In this study, the AMS symptoms of 78 unacclimatised rescue workers for the Yushu earthquake from Beijing were recorded using the Lake Louise AMS self-report questionnaire. Heart rate and blood oxygen were recorded at rest before departure, during rest and during activity., Results: After ascending, resting heart rate increased from mean 75.87 bpm to 87.45 bpm and resting SpO(2) decreased from an average of 98.51% to 90.35% (both p<0.001). The mean Lake Louise AMS Score for participants was 3.1 (95% CI 2.6 to 3.6). 29 members (37.2%) met the diagnosis criteria for AMS. 16 members (20.5%) were evacuated early due to acute AMS (AMS score ≥5). Rhodiola was offered on a voluntary basis as a prophylactic measure but shown to be ineffective., Conclusion: Given the ineffectiveness of prophylactic measures and the urgency of such disaster situations, it is unrealistic to mobilise rescue teams from lowland regions for immediate relief efforts. A local disaster plan specific to plateau earthquakes needs to be developed with local personnel for timely and efficient relief.