The Xtreme Everest 2 Expedition, in cooperation with CORTEX Biophysik GmbH and SunTech Medical, put SunTech’s OEM blood pressure and ABPM technologies through extreme conditions. Using the MetaLyzer(r) cardiopulmonary exercise system, they studied how human performance at extreme altitudes relates to conditions and reaction during critical illness. Using the Oscar 2? ABPM System they studied the effects of high altitude on blood pressure over a 24-hour period.