Peter H. Hackett is an American mountaineer and medical doctor. He is the third person to have summited Mount Everest in a solo ascent, climbing from South Col to the top on October 24, 1981. He studies the effect of altitude on human physiology, and is the founder of a medical rescue camp on Everest and a rescue clinic and lab on Mount Denali, and the director of the Institute for Altitude Medicine in Colorado.
In 2000, Peter Hackett was an emergency physician in Grand Junction, Colorado, and a Professor of Medicine at the University of Washington in Seattle. [1] By 2009, he was the director of the Institute for Altitude Medicine in Telluride, Colorado, and a professor at the School of Medicine at the University of Colorado. [2]
In 1973, Hackett was a co-founder of the Himalayan Rescue Association. It established a clinic near Everest Base Camp (which is at 5,380 m (17,700 ft)), where the sick were cared for and information was gathered about mountain sickness. In 1981, as a member of the American Research Expedition, he helped set up a "well-equipped" lab at 5,180 m (17,000 ft)) and a smaller lab at 6,300 m (20,700 ft). In 1982, he and Bill Mills started a rescue clinic and lab on Mount Denali in Alaska, at 4,267 m (14,000 ft) (funded by the US Army and the National Park Service), where again they treated patients with altitude sickness and gathered information. [3] Hackett has also published on drug use among Everest climbers; his 2016 study, co-authored with Andrew Luks, Colin Grissom, and Luanne Freer and published in High Altitude Medicine & Biology , [4] suggested that the use of performance-enhancing substances, "while present on the mountain, isn't a serious problem". [5]
Hackett was a member of the 1981 American Medical Research Expedition led by John B. West. He was slated to try for the summit as the second of two groups on October 24, 1981; around noon, Chris Pizzo and Young Tenzing had reached the summit, with Pizzo doing various measurements and taking samples of his own breath for later research. Three hours later Hackett was observed approaching the summit, which he reached at 4pm. On the descent he fell through a layer of snow at the Hillary Step, and after a drop of 10–15 ft (3.0–4.6 m) he found himself hanging upside down with his right boot, snagged on some rock, holding him up. With his ice axe he righted himself and then found an old rope, still fixed, which he used to pull himself up. He fell a second time, but got up again and descended a thousand feet, where he found Pizzo waiting for him. Together, in the dark, they safely got to Camp 5, on the South Col. [6]
Hackett described some of the effects of hypoxia. At 7,620 m (25,000 ft), while sleeping in his tent without supplementary oxygen, he had a lively hallucination that John West, the expedition leader, was in his tent, and had brought an oxygen bottle with which he filled up the tent. On the way to the summit, he stood on a ledge and "was sure that if I had jumped off from that point, I could have flown. I had this feeling that somehow spirits would come and, and just support me and fly me around the mountains and I could see all these wonderful places down below and visit friends and just get great views of all the mountains." He also said that hypoxia was probably to blame for the fall on the Hillary Step, and the decision-making process that led to his fall. [1]
Hackett was the third person to summit Everest solo, after Franz Oppurg (1978, from the South side) and Reinhold Messner (1980, from the North side). [7]
Mount Everest(also Mount Sagarmatha or Mount Qomolangma) is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas. The China–Nepal border runs across its summit point. Its elevation of 8,848.86 m was most recently established in 2020 by the Chinese and Nepali authorities.
Altitude sickness, the mildest form being acute mountain sickness (AMS), is a harmful effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. People can respond to high altitude in different ways. Symptoms may include headaches, vomiting, tiredness, confusion, trouble sleeping, and dizziness. Acute mountain sickness can progress to high-altitude pulmonary edema (HAPE) with associated shortness of breath or high-altitude cerebral edema (HACE) with associated confusion. Chronic mountain sickness may occur after long-term exposure to high altitude.
Jim Wickwire is the first American to summit K2, the second highest mountain in the world. Wickwire is also known for surviving an overnight solo bivouac on K2 at an elevation above 27,000 ft or 8,200 m; considered "one of the most notorious bivouacs in mountaineering history".
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High-altitude pulmonary edema (HAPE) is a life-threatening form of non-cardiogenic pulmonary edema that occurs in otherwise healthy people at altitudes typically above 2,500 meters (8,200 ft). However, cases have also been reported between 1,500–2,500 metres or 4,900–8,200 feet in more vulnerable subjects.
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High-altitude cerebral edema (HACE) is a medical condition in which the brain swells with fluid because of the physiological effects of traveling to a high altitude. It generally appears in patients who have acute mountain sickness and involves disorientation, lethargy, and nausea among other symptoms. It occurs when the body fails to acclimatize while ascending to a high altitude.
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The 1922 British Mount Everest expedition was the first mountaineering expedition with the express aim of making the first ascent of Mount Everest. It was also the first expedition that used bottled oxygen while climbing Everest. The attempt was made from the northern side of Everest out of Tibet. At the time, Everest could not be attempted from the south out of Nepal as the country was closed to Western foreigners.
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