“…One pair, cutaneous and arterial oxygenation, decreased exponentially and highly correlated during hypoxia, reaching the lowest level of the three pairs. It is already known that the skin responds rapidly by peripheral vasoconstriction during physiological stress, such as hemorrhage and hypoxia (Lima and Bakker, 2005;Ovadia et al, 1995;Wright et al, 2006). However, the present study proposes a sensitive noninvasive method to assess changes in arterial oxygen pressure.…”