November 2012 Issue
Portable Oxygen: Basic Purchase Advice
Oximeters reveal that more of us need oxygen than not. Heres a look at the wide selection of portable oxygen systems available.
For decades, weve more or less complied with the FARs requiring oxygen use above certain altitudes on good faith. But the advent of cheap, easy-to-use medical pulse oximeters has revealed a troubling fact: Even at altitudes below the FAR-required values, many of us are oxygenated poorly enough to benefit from supplemental oxygen. Mild hypoxiasay at 10,000 feetmay very well be debilitating enough to cause judgment errors.
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