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Experience of climbing mount Everest

if you took somebody from sea level to the top of Everest no supplemental oxygen no support, they would be unconscious within minutes Everest is a very inhospitable environment hundreds of people attempt to Summit Everest every year during a small once a year window that weather allows not everyone makes it and 2023 was an especially fatal year [Music] so there are a number of things that can kill you on Mount Everest you fall into the mountain you fall off the mountain the mountain falls on you but because it's the highest and because people like to check boxes it's popular I think with more inexperienced people that's a problem and Dr Emily Johnston knows she's a mountaineering guide and a doctor trained in Wilderness emergencies particularly at altitude she summited Everest three times in each of the tallest peaks in all seven continents starting at base camp she'll break down the physical dangers that climbers face all the way to the top so this is ever space camp around 17 500 feet the molecules are twice as far apart so then you have to treat them while they're there we have to use a portable hyperbaric chamber called a Gamo bag it's airtight so it's tough if they're claustrophobic or vomiting or whatever and then you hook the pump up and you pump it up so that the pressure inside the bag simulates being at a lower altitude from a physiologic standpoint and you have to pump it 10 to 20 times a minute so that they get fresh air in there and their carbon dioxide gets expelled you can't just leave somebody in one of these bags because they would suffocate let's give it a try we're going to put you in it perfect that's great so go ahead.There's less oxygen and then two they're tired from this whole process between 1921 and 2006 56 percent of deaths occurred during the dissent for people who climbed higher than 8 000 meters getting to the summit is optional getting back down safely is mandatory the problem is there's also this huge sort of catecholamine surge people are like I did it I've achieved my goal.

You think you've won the game but you haven't you have to get all the way back down all they're thinking about is going home they're not thinking about putting one foot in front of the other they haven't been eating and drinking and they come down and they can fall off and it is a long way and people make big decisions that are wrong like people will come down a ridge and they're supposed to go to the left and they'll go to the right people will make poor decisions they'll sit down and they won't get back up because they're just confused they just have no idea where they are after summoning my biggest concern is exhaustion and dehydration you know snow blindness can set in a little bit later UV keratitis is the fancy name for snow blindness it just means that your corneas are exposed to more ultraviolet radiation than they're accustomed to if you are out in this ultraviolet radiation for too long it can get to the point where the next day it'll feel like you have sand in your eyes and then you won't even be able to open your eyes you need somebody to lead you around and there are a lot of places on the Upper Mountain where you simply can't lead somebody around particularly if you're on above the South call like on a summit bid and you get snow blindness when it if it manifests there it'd be very difficult to rescue somebody who can't see Everest remains one of the safest tall ultra high altitude Peaks to climb simply because of all the infrastructure despite that there was an unusual amount of deaths on the mountain in 2023 the reason we see so many fatalities on Everest is it's a numbers game if you look at the risk of dying on Everest as compared to something like Annapurna it's much lower on Everest it's much lower on Everest than most of the other 8 000 meter Peaks you get more people on the freeway and more people die in car accidents get more people on Mount Everest .

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