Oxygen Saturation and Pulse Rate.
The graph below shows the development of heart rate (pulse) and
oxygen saturation as a function of time and elevation.
The units on the (horizontal) X-axis are days.
Legend:
Red: Elevation in thousand meter on the given days.
Blue: Heart rate (pulse) per six second interval.
Green: The ratio of oxygen saturation / heart rate.
A normal saturation/pulse quotient would be near 2, for example an oxygen saturation of 98 and rest heart
rate (pulse) of 49.
A ratio less than one is a clear sign of acclimatization trouble.
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