Low or high pulse rate can indicate heart problems. According to Dr. Fred Furgang in his article Hypoxia, Oxygen, and Pulse Oximetry, a pilot should use supplemental oxygen if the oximeter reading is below 90%, maintain at 91-92% level when doing remedial tasks and above 93% with increased workload.ow or high pulse rate can indicate heart problems. According to Dr. Fred Furgang in his article Hypoxia, Oxygen, and Pulse Oximetry, a pilot should use supplemental oxygen if the oximeter reading is below 90%, maintain at 91-92% level when doing remedial tasks and above 93% with increased workload.
Hereâs how to bring them back to life. First, some background. While the spill-proof batteries currently on the market are often referred to as gel batteries, most are AGM batteries-short for absorbed glass mat. Optima and Odyssey batteries are common examples. Unlike a gel battery, in which a silica agent is added to the electrolyte to form a semisolid, an AGM battery uses an ordinary sulfuric acid solution like any standard automotive battery (about 60/40 water and acid at full charge).
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