Vital signs, laboratory values and results of questionnaires
altitude-induced hypoxemia
Arterial blood gas analysis showed normal results at 760 m. In participants taking placebo, an altitude-induced hypoxemia could be observed at 3,100 m. With acetazolamide, the altitude-induced hypoxemia was less pronounced. pH and PaCOA raise of heart rate and mean arterial pressure at 3,100 m could only be observed in the placebo group, the treatment effect was nonsignificant. No significant changes in scores assessing sleep quality and altitude related symptoms were noted.