Figure 3From: A strategy for determining arterial blood gases on the summit of Mt. EverestChanges in blood gases over 8 hours for protocol 2. Average blood gas and chemistry change over the course of 8 hours (protocol 2), and comparison of changes measured at sea level and at 3800 m. Units are dependent on the variable being measured. Note that SO2 data were collected only at sea level. Ranges represent ± 1 SD.Back to article page