84 pages • 2 hours read
Jon KrakauerA modern alternative to SparkNotes and CliffsNotes, SuperSummary offers high-quality Study Guides with detailed chapter summaries and analysis of major themes, characters, and more. For select classroom titles, we also provide Teaching Guides with discussion and quiz questions to prompt student engagement.
The majority of mountaineers climbing above 25,000 feet use bottled, compressed oxygen, accessed via a face mask and tubing connected to a gas cylinder. The slopes of Everest are littered with discarded oxygen canisters; Sherpas are now incentivized to bring them down from Everest to help to reduce pollution.
The human body is susceptible to a huge range of complications when exposed to high altitude. Two of the most dangerous of these are HAPE, or high-altitude pulmonary edema, where there is excess fluid in the lungs, and HACE, or high-altitude cerebral edema, where there is excess fluid in the brain. Both of these require that the victim be immediately transported to a lower altitude, as well as obtain immediate medical help.
Hypoxia is a state where inadequate oxygen is available. Symptoms can include disorientation, confusion, extreme fatigue, susceptibility to cold, and death.
By Jon Krakauer
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