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#cold shock
macgyvermedical · 2 months
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Years ago I wrote a character who fell into a very cold quarry lake and had a heart attack right after being pulled out-- it was based on some research I did at the time, but for the life of me I didn't understand what was actually going on that causes that kind of reaction to being pulled out of very cold water. Could you explain?
It's cold shock.
When your skin first hits very cold water you enter a temporary state called cold shock. This is not shock in the medical sense, nor is it the same as hypothermia. It's just a situation where you gasp uncontrollably, and heart rate and blood pressure go way, way up as a response to the skin suddenly getting very cold. It ends within a couple of minutes, but while it's happening, it greatly increases the oxygen demand of the heart muscle.
That means, if there are any blockages (clots, plaque) in the arteries supplying the heart muscle with blood, the arteries can't supply the necessary oxygen, and the heart muscle begins to die- a heart attack.
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balkanradfem · 1 year
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So, I know this is a bad idea, but I had a dream. And in the dream, I was trying to go swim in the cold river. I remember just standing above the river, looking at it, thinking 'Why am I afraid? This river would never hurt me.' before giving up fear and diving right in.
And now it's daytime, and all I want is to go to the river and get inside. But, it's January. But it's not like, a super cold January, the forecast says it's 5 celsius, feels like 10 to me. It's warm. And I've been in rivers as early as March, why not now? It's not like I can walk. And I wanna see if it hurts my neck or not.
So I've been debating this in my head all morning, and now I've lost the battle. I'm going to the river. A friend already told me not to do it, so I'm going to not tell her about this. Also I'm pretty sure my mental health is in a bad spot, and swimming in cold water would fix that right up. So it's like, a win-win. I even took some elderberry syrup to make sure I don't get sick. I'm going. See you all later.
*later*
I’m sure you’re all wondering how that went, and let me tell you! I got up to the riverbank, and the water is huge, it’s been raining, the current is strong, the trees are half-underwater, the riverbank is steep and slippery. I’ve been to my garden first, and I noticed the top of the water in my bucket there, has frozen over, and hasn’t even melted yet, which had me wondering if this was, indeed, a good idea. But as soon as I saw the river, I was absorbed by unlimited lust to be submerged in it, and I knew I would not be able to go home before I do it, I could not resist.
I walked around the riverbank, looking for a safe place to access the water, and I found one relatively safe-ish spot, and tapped my way carefully down thru the mud. Then I saw a m*n on the other side of the river, staring at me. No thank you. I picked up my stuff and went to look for a decently secluded place, for heavens sake. I want to have a good time, not a self-conscious-I’m-being-stared-at time.
I found another spot that was, way less safe, and I’m standing there and thinking ‘This is actually so unsafe it’s ridiculous that I’m still doing it. I could slip and hurtle down this bank and fall into the water at any moment and it would not be surprising.’ So I wisely took off my jacket and left my phone in it, so it wouldn’t get ruined if I fell.
I didn’t fall. I put my hand in the water, and it felt amazing. My hand decided that it was the exact correct temperature and I loved it. I took my clothes and my shoes off, and stepped into the water, with my bare feet, in my swimming gear.
My feet didn’t like the temperature of the water so much! They were quickly going numb and pained. I started to get a little worried, because my instincts were now telling me ‘too cold, you’re gonna die’, but that didn’t make my desire any less! I stepped out and waited for my feet to get their stuff together, and then I stepped back in the water, and found there was a great spot where I could be submerged and holding on to a tree, so I don’t accidentally float away or lose my footing. And I went for it. It was just like it was in my dream, I was submerged up to my neck within a second, and it was amazing, and then the cold shock hit me so I grabbed the tree and got myself back out. At this point I was feeling incredible, my body was searing with heat and excitement, and I realized, oh, I need to go back in!
I went back into the water, but this time I stayed in, holding onto the tree, forcing my body to breathe slowly thru the cold shock, unlocking my limbs and making me feel at home in cold water. I was only in for a few seconds, then I pushed myself out again, feeling dizzy with satisfaction. I was inside of a river in January! I had never done that before.
The cold water released so many good chemicals in my brain, I ended up feeling excellent for the rest of the day. Even my chronic pain was all cancelled, and my mental health was temporarily fine. The only setback was, that after I got home, I found several nasty bloody scratches on my legs, and one of my fingers was bloody too; I didn’t remember getting those. It’s very likely I got them in the water, because I was too cold to notice that I’m catching onto thorns and branches in there. I’m not worried, if they refuse to heal quickly, I have my wound-healing herbs that can take care of that.
I can’t say I would exactly recommend this, because this is, in reality, a result of bad mental health, and I’ve been known to do these things before, and I never got sick, so I know my body is resilient to the cold shock. I will often walk barefoot in the snow just to get a bit of that cold shock to fix my mood. So while it does wonders for me, don’t do this in January, it’s probably bad. (I know because my friends yelled at me when I told them afterwards and told me I would get sick.)
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lotus-pear · 10 months
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regret
#literally excuse the shitty anatomy and cell shading i was thinking abt chuuyas reaction to what he'd done and i decided to make it skk#bc skk copium :')#the way i've hated dazai so fucking much but i still cried like a bitch when he died#he's not dead the bsd fandom has this phase like the elevator chapter where we're like ''dazai's not gonna make it he's done for!!''#and then he comes back next chapter like surprise bitches yall thought i was dead lmao#this chapter fucking HURT for skk shippers tho like we rly lost this time around huh#deluding myself into thinking that chuuya used gravity manipulation to slow the bullet#bc we didn't see a bullet hole behind dazais head like when chuuya shot his shoulder even though the bullet to his skull was fired at close#the reason theres a wound is bc the compressed air that was still fired was enough to wound him#and the shock wave that followed caused him to pass out bc of the sudden tension to his head intermingled with the blood loss and poison#we also know dazai can control his heart rate at will so maybe he can drop his pulse to zero for like thirty secs#enough to make fyodor believe he's dead#in the event that all of this is untrue and dazai rly does die the way my entire being will go numb and cold and dead#knowing that fyodor will most likely use dazai's death as a weapon against chuuya effectively chaining him to his side#like bffr chuuya may dislike dazai but that's his partner his reflection the boy that makes him desperately want to be human#dazai is the embodiment of chuuyas humanity and once chuuya loses that tether to his human side he will snap and the facade will shatter#and we will truly see chuuya unhinged with nothing more keeping him bound to his mortal shell#this wasn't the skk reunion we wanted asigiri what the fuck :(#bungou stray dogs#bungo stray dogs#bsd#nakahara chuuya#chuuya nakahara#osamu dazai#dazai osamu#skk#soukoku#lotus draws
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lazylittledragon · 5 months
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Feel free to ignore if this is intruding but I remember you posting about dealing with caffeine addiction and I hope you're doing ok <3 Addiction is really hard to deal with so I hope everything is going alright for you!
!! thank you for checking in <3333
i haven't cut it out completely (i really don't think i'd be able to) but i'm still doing much better, i've cut down from 6 shots per cup to only 2. i've also changed my sleep/eating habits so now i don't feel like i need the caffeine as much because i just don't feel as shit anymore.
it's been very nice :3
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carlyraejepsans · 1 year
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toriel... what are your toriel takes today
i have a headcanon that toriel has a hand-washing compulsion where she does it wayy more thoroughly than needed, instinctively trying to scrub under her claws even when they're perfectly clean because she can still feel the phantom of dirt under them from the time she dug chara's grave.
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letitbehurt · 8 hours
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It’s a good day to grab Whumpee by the hair and shove their head underwater.
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😔 (thinking about Grant hugging his dad after not seeing him for a long time and receiving a warm embrace full of love versus Sparrow hugging his dad after not seeing him for a long time when he was only offered a handshake in the first place and receiving no more than some arms lightly wrapped around him in return)
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xitsensunmoon · 6 months
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I think the only thing that annoys me about dca's youtooz plushies is their bells.
Not the sound tho! But when cuddling them. If they're not under the blanket before you cuddle them the metal of the bells gets cold and unpleasant to touch when you're all cozy. It's so uncool and not romantic at all bitch take them off >:'(
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awkward-sultana · 1 month
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Magnificent Century + Close ups of The Emerald Ring™ (requested by anonymous)
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teex · 8 months
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PHI vs NJD 09.30.23 Preseason
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Thought that I'd put it out there that there is a genuine, completely canon photo of Adler shirtless in game. Just sayin'.
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a-feller · 7 months
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I was reading Magnus Chase ship of the Dead and MAN I was not expecting that from a Riordan book.
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ranticore · 3 months
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pelagic spiral villages
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It's not the prettiest diagram and might be hard to follow. First off, the spiral is a region in the south of the western continent of Siren
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the spiral region is not limited to the actual physical structure of the land, where the characteristic ridges and valleys of Siren crumple up into a twisted shape, but also extends south as far as the icecaps, with the ridges continuing their spiral but underwater (on the map above, the visible spiral is only what extends above water)
It comprises all of the pale blue water in this map area, bordered by the darker deeper water and what is known as the Ice Wall in the south.
The most densely settled areas are within the tallest ridges at the middle of the spiral, as these ridges form physical walls and barriers which prevent many of the dangers of the open sea from entering villages without having to traverse what is quite frankly a labyrinth of narrow valleys beforehand. But at the edges of the spiral, nearer to the ice wall, lies the pelagic village of !uamaa. This is where Huarva comes from and what's pictured at the top.
it is populated by phocids and some selkies underwater and Ice Wall shortwings above water (they are similar to penguins). It consists of a huge three-tiered underwater hall with an air pocket trapped by a tethered tent-like cap made of transparent material derived from sipho scales. The bottom tier is stocked with oxygenating plants (i can only assume they are VERY productive). The middle tier is submerged and where the in habitants enter the hall (through the round openings pictured). Shelf-like beds attached to the sturdy woven walls provide platforms where a phocid can sit with their body submerged but their head out of the water, which is the most comfortable position for them as they do like to have water supporting their weight as much as possible.
The hall was built over a hot water vent in the seafloor. The vent water is directed up through a stone s-duct, which leaves a flat surface above the water which is constantly heated. This is used as a cooking stone; there is a pot of perpetual stew always bubbling here and every villager is expected to contribute something to it every day in return for being allowed to take as much stew as they like.
The other buildings are these balloon type structures which are anchored both to the sea floor and to the floating pontoons above. The balloons do not have oxygen generating plants, but must be manually raised and lowered to the surface to trap more air every day. The colour palette is overall a strongly contrasting black and white (fun fact, pelagic people are hypersensitive to the colour red out of the water, to the point where it might cause headaches)
What's life like in the village? Huarva is often asked this but he cannot truly answer, because he was never a villager. Living out here is extremely tough and demanding, and experience is valued above all else. The eldest and most experienced person in the village is called the All-Bearer and their word is law. The All-Bearer is a matchmaker among villagers, pairing those who are thought to work harmoniously together in arranged partnerships, similar to marriage. Huarva's parents were not arranged; in fact they were strictly forbidden from reproducing because they did not work harmoniously together. They fought and argued and struck sparks off one another, but were inseparable. The All-Bearer gave no blessing for them to have a child.
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^the All-Bearer.
In these cases it's not uncommon for the pregnant parent to find a matched pair and attempt to convince them to claim the child. That way nobody is harmed. But it didn't work out in time, on this occasion, so the child - Huarva - was born and immediately outcast from the village as a potential troublemaker. A pretty rough start all things considered. Huarva was an outsider, not a villager. they could hang around the place, beg, speak to people, but never be granted the elders' wisdom lest it be misused by a child of intrinsically bad character. They basically grew up homeless and uneducated in their village.
And this is a major handicap because of how dangerous this region is. Children are sorted into same-age 'generations' which go through a strict and standardised education before being unleashed as leviathan hunters. A couple years of that, and (assuming they survive), that generation moves on to the next-most dangerous job, replaced by the generation below them. And so on and so forth until what remains is the oldest generation, who are finally granted a safe and comfortable life in return for sharing all the wisdom gathered over the years working different professions. Few will remain by then.
The culture is cold. Repressed. Quiet. Fighting is an exile-worthy offense and disagreements are stifled. The All-Bearer makes every final decision and you cannot question them because you do not have the requisite experience to contradict anything they say. If you must be upset, do it where nobody can see, and never openly express discontent.
Huarva survived to adulthood by choosing to stick around the shallows on top of the underwater ridges. They tried many times to earn the All-Bearer's favour enough to earn a place in the village to no avail. Until the All-Bearer finally had enough of them and sent them away on a fetch quest doomed to fail, because Huarva did not have the education to know how to spot the warning signs of a flow of aerated water. Finding themself trapped under it, they panicked, never having learned any methods to slow their heart and extend their usable breath, and almost drowned. Sheer luck saved them; a leviathan-sized giant sipho flying for the surface caught them between its scale plates. It didn't notice its new passenger and ended up dragging Huarva almost the entire way across the dark and to the spire before they got free.
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54625 · 5 months
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As a briton myself it is actually genuinely really nice and refreshing to hear these QSMP members from brazil and america sound genuinely excited at the prospect of going to britain even though it isn't exactly the most interesting or cool place to go comparatively
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warpedpuppeteer · 2 months
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A hundred percent convinced Eddie was softly trying to mouth "Buck" after getting shot but his voice wouldn't come out and that's why he reached out towards Buck with his hand as he fell.
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bleaksqueak · 5 months
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Okay, if you like fromsoft games or love bloodborne/love a challenge/love horror juxtaposed against endearing whimsy, please check out Lies of P.
The part of me that couldn't stop laughing at the game's name and the concept of "Edgelord Pinnochio Bloodborne Clone" can no longer fathom thinking of the game as anything other than "AMAZING!!!!!!! SO GOOD!!!!!!!! THAT TEAM SHOULD BE SO PROUD!!!! WHAT AN ASTONISHING CREATIVE ACHIEVEMENT!!!" I already knew I was on the "i'd recommend this to anyone who likes these types of games or wants to try them" team, but now that is 10000% And even better, it has filled me with so much art inspiration after exploring its world and collecting beautifully designed costumes. The world building/world design is so, so so so very actualized and charming.
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