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#tourniquets
macgyvermedical · 2 years
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Hi! Quick question for you: If someone experienced severe hypovolemic shock (in this case a leg wound that bled profusely) but was treated promptly, barring any complications what would their recovery timeline look like/in what order would the shock symptoms resolve? I tried to look this up in a number of places but haven't had much luck, and while I have theories about it I would like to be close to accurate if at all possible. Thank you!!
When hypovolemic shock is caused by blood loss, the first aid is to stop the bleeding. This is done either with direct pressure or by applying a tourniquet at least 2 inches above the bleeding part.
In the leg, the most deadly artery to cut would be the femoral artery, but there are several others. The femoral runs along the inner thigh near the bone. The popliteal artery runs behind the knee, and the tibial artery runs along the back of the tibia in the lower leg. Either of these could cause also life threatening bleeding, just slightly slower than the femoral would. Severing or tearing any of the mentioned arteries would cause bright red, spurting blood. Severing a vein would cause a steady stream of darker blood and is much easier to stop and substantially less dangerous.
Pressure would be directly over the wound, perhaps after packing the wound with gauze or cloth to increase the pressure specifically on the bleediest part. A tourniquet, as mentioned above, would be placed either two inches above the part that was bleeding, or somewhere on the upper leg (if a lower-leg injury). It would be tightened until the bleeding stopped.
But that's just the first aid- tourniquets and direct pressure stop bleeding, but they don't do anything to solve the hypovolemic shock or treat the injury itself.
Hypovolemic shock occurs when the circulatory system doesn't have enough liquid in the blood vessels to maintain blood pressure. When blood pressure drops, the heart rate increases to try to compensate by moving what blood there still is faster. This helps get oxygen to the tissues that need it, but is very energy intensive and cannot be sustained for long. Eventually, the heart rate can no longer compensate, the blood pressure drops further, and certain organs (usually the digestive system and kidneys first) begin to starve for oxygen and die.
Replacing the lost blood cells and volume is a top priority, and assuming the bleeding has stopped completely, is really all that's needed. If it happens quickly, there may not be any long-term repercussions.
The blood is replaced by IV fluids and either whole blood or a combination of different specific blood components like albumin, platelets, and packed red blood cells. The albumin helps maintain the blood pressure by keeping fluids in the blood vessles, the platlets help control bleeding, and the red blood cells replace the cells that were lost to bleeding and maintain the blood's ability to carry oxygen.
Prompt administration of IV fluids and blood will very, very quickly resolve symptoms of shock. Essentially as soon as those blood cells get in there and start doing their job, the patient's color comes back, their heart rate and blood pressure go back to normal, they begin to think clearly again, and can sit up and move around again with less dizziness.
Now, the leg is a different story. The leg needs surgery to repair the artery. If that doesn't happen, the leg will die and need to be amputated. There is essentially a 48 hour window from tourniquet application to completed surgery where it can be expected that the leg will be useful again. Even within 48 hours, the leg is dying and the dead muscle bits are falling into the blood. When circulation is restored, those muscle bits (along with waste products and electrolytes from inside damaged and dead cells) return to circulation, and can clog up the kidneys and other organs. A minor version of this can be mitigated by giving a lot of IV fluids. A more severe version might need dialysis to help the kidneys get rid of the waste products before they are damaged by them.
This is at least a several-day hospital stay and at most a week or more hospital stay even without serious complications. After surgery, the patient would be taken to a floor with the ability to monitor their heart function due to the probable electrolyte problems- either an ICU or a tele floor depending on severity of electrolyte abnormalities and bed availability. There he would be assessed to make sure the leg was re-gaining motion and sensation appropriately, provided pain and nausea medication as needed, have physical and occupational therapy assessments, and electrolytes and blood counts would be monitored to ensure there was no continuing bleeding (you can hide up to a liter of blood in a thigh until the pressure gets to much and it essentially self-tourniquets).
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distripol · 1 year
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Tasmanian Tiger Tourniquet Pouch II Noir #tasmaniantigergear #tasmaniantigertactical #tasmaniantiger #tourniquet #tourniquets #policebelgique #policedelaroute #police #policepolitie #policelocale #policelocalebelge #tacticalmedic #tactical #tacticalgear #lawenforcement #lawenforcements https://www.instagram.com/p/CppRNrHMOdP/?igshid=NGJjMDIxMWI=
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dostoyevsky-official · 7 months
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mask off 💀
it turns out i'm a little soft hippy centrist shitlib after all: i don't like it when civilians get killed. i am beholden to the idea that life is sacred, holy, and inviolable, that civilians are innocent no matter how much you do not like them. i am against cruelty—i have always been against it— and i believe that informs my understanding of the past and present: i am against the apartheid state and the blockade, i am against the ongoing carpet bombing of gaza. i will not cheer with you when dead bodies get dragged and spat on in the street, i do not think it is a moment of liberation when children get kidnapped and beaten. because i am against cruelty i do not celebrate shooting up 250 stupid concert goers. because of the principles i hold i don't like it when israel murders children, as it has done so in the last 48 hours, with the world's support. i do not support a government that kills over 200 innocents with impunity in retaliation. i do not understand what massacres justify which other massacres. it is barbaric to deny clean water and basic medicine to children; it is barbaric to shoot them, it is not a revolution. i don't like the kahanists and their state that led to this and i don't like hamas. i will not support the state of israel—i never have—and the impending invasion of gaza, instigated by two groups of fascist religious fundamentalists. i think cheering any part of this tragedy atrocious. but now i've gone and pulled a both-sides!
i want you to look at what's happening as a real act and not a media event where you pick the side that's convenient for your team. set aside the outrage, look at the people dying, and think of each life, that holds so much and is a miracle in itself. try to understand the immense tragedy of what it means for that to be cut short. do you not value life? does your value of life inform your politics? do you not support palestinians because you value life?
i’ve consistently posted about how opposed i am to violence targeting bystanders, the terror and bloodshed it achieves and nothing else. the history of the twentieth century, still unfolding around us, tells me that much. if you are celebrating, you are either an idiot, consumed by online politics, or you have lost some sense of humanity; look around—look carefully—and try to preserve it instead
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fulflex · 2 years
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latenightsundayblues · 7 months
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End of the pier, end of the bay
You tug my arm and say
"Give in to lust, give up to lust
Oh, Heaven knows we'll soon be dust"
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(based on the bullet wound fingering scene from the Unofficial Saw Musical. There came a moment where i just stopped fussing with it to make the colors and composition work, looked at what i had and went "ah what the hell i cant do nothing about this anymore". So here it is. Still like it a lot tho) ((psssttt hey @goofalicousgooberface this was hugely inspired by your drawing based on the exact same scene so thanks!!!!))
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kikker-oma · 7 months
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Warning: Blood
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impala-dreamer · 7 months
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Tourniquet - Masterlist
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A Supernatural Series
~Y/N has been by Dean's side through his worst days, always there if he needs her, forever just a call away. Love is impossible to fight and more impossible to live with. Just a side character in his epic life, Y/N would give anything just to give Dean a moment's peace.~
Staring: Y/N Y/L/N(f), Dean Winchester, Bobby Singer, Sam Winchester, and cameos by many others. 
Spanning SPN Pre-Series through Season 14. 
Warnings: Show Level Angst, Blood, Injury, Canonical Situations and Themes, Implied Sexual Situations. 
21,415 Words, 10 Chapters
A/N: This is my "story told backwards" square for @jacklesversebingo, and therefore, the story is... told in reverse. I had an amazing time writing this and I LOVE THIS STORY and I hope you do too. Please, please, like, comment and reblog!
CHAPTERS:
One Two Three Four Five Six Seven Eight Nine Ten
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blinkpen · 9 months
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on the bright side, there's this
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essektheylyss · 1 year
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The fact that this might suggest petrification is an enchantment that could be counteracted by this situation is so deeply, morbidly funny when you consider poor Ryn coming back to consciousness on an entirely different continent, two weeks later, missing a fucking limb
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dailyreko · 3 months
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DAY 222: apocalypse au reko
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teaspoonnebula · 1 year
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latentorogeny · 5 months
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some Thrawn and Eli from this silly little au I’m cooking up in which Thrawn is never found by the empire and Supply Officer Eli gets captured by pirates who build a base on The Exile Planet… 👀Big things coming… 😎🔥
(also ignore that Eli’s boots are different colors ok)
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alibonbonn · 5 months
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getting some durgestarion whump outta my system
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creaturefeaster · 8 months
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wanted to draw all the side character mimes but im quickly realising there's many of them that dont have solid designs yet and also i feel like im forgetting some
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chiquilines · 6 months
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Miryumi uni au!! Its been ages since ive drawn them and uni aus are so dear to my heart
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skyloftian-nutcase · 3 months
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Febuwhump Day 3 - "Bite Down on This"
For @smilesrobotlover and her wonderful King of the Gerudo blorbos!
Things hadn't exactly gone according to plan.
The monster horde near Fort Hateno had needed to be addressed quickly. Although the soldiers had held it at bay fairly well, Link wanted to defend his home and had rushed to its aid. Mipha had joined him.
Everything had been fine until the blood moon had come in the middle of the fight.
Link supposed it wasn't a complete disaster - they'd still won, after all. But goddess above, at what cost?
Mipha whimpered a bit as she tried to sit up a little more. Link gently put pressure on her shoulders to get her to relax.
"Please," he nearly begged. "You've done enough, Mipha. Just let me help."
His beloved wilted a little at his tone, her love for him fighting against her worry for the other soldiers. Link adored her for her compassion, but by Hylia she could be stubborn.
Well. He could be too, he supposed. Both their parents had commented that if they could have children they would be the most hardheaded beings on the planet.
The current dilemma, though, was due to Mipha's stubbornness, and his own would win out in this fight. Mipha had gotten an arrow to her leg, and it had impaled all the way through. The scream she'd let out was still ringing in Link's ears, making his skin crawl. Ever since he'd almost lost her to the Calamity, any injury she received was like being thrown back to that awful day. His heart was still racing just thinking about it.
The injury itself was painful to look at it, but Link knew Mipha's healing skills were more than enough to take care of it. The issue was that she'd spent her energy healing the Hylian soldiers all around her instead, and at this point she was too exhausted.
"Why do you do this to yourself?" he murmured, not really expecting an answer as he traced his finger around the wound.
"I have to help," Mipha answered quietly, a little browbeaten.
Link felt bad for making her guilty over such a gift, for such tender and considerate love for all. He sighed, cupping her cheeks with his hands. "I know. But... you can't help others if you wear yourself out. You worry me."
Mipha sighed, leaning into his touch and closing her eyes. "I'm sorry, Link."
Link tapped her face with his thumb, making her look at him. He didn't say anything more, but he leaned in for a quick kiss before leaning back and letting her go. He sifted through his bag a little before finding a spare belt. He felt his insides grow a little cold as he pulled it out. He'd used this item time and again when handling his own wounds, but...
Goddess, he really wished they didn't have to keep fighting like this. Hyrule had known peace for so long.
He couldn't imagine a better partner in battle, though.
"Bite down on this," he ordered as he offered the belt to her. Mipha took it and complied without argument, knowing what was coming.
Link found himself wishing desperately that he had even an ounce of Mipha's healing magic. He seemed the least magically inclined person by his own observations - Zelda, Mipha, Urbosa, Daruk... even Revali to a degree had some kind of magical ability to their name. He supposed his magic was his fighting prowess.
It absolutely paled in comparison.
What good was such magic in the face of the others? The only closest equivalent was Urbosa, whose abilities were really only utilized for violence such as his. Link had never been ashamed of his gifts before, but in this moment he wished so desperately that his hands could heal more so than hurt.
It's not hurting. It's defending. And that's equally important, he reminded himself.
And then he glanced again at Mipha, who could both heal and defend. His heart swelled, a smile pulling at his lips. Goddess, he loved her.
Mipha gave him a bewildered look for a moment before softening and returning the smile. But then she grimaced as she moved her leg a little, and Link focused on the moment again, warmth forgotten.
Positioning her leg a little better, Link visualized both sides of the arrow where it pierced all the way through. In her state, Mipha wasn't likely to be able to heal the wound for at least a few hours, so he'd have to stop the bleeding in the best way he knew how. He prayed she could heal herself sooner rather than later as... well...
Tourniquets hurt. But the risk for further injury and bleeding and infection were too high to sit on this.
He glanced at Mipha, silently asking if she was ready. She nodded, face determined, though her nervous wringing of her hands belayed her anxiety.
Link pushed the shaft with a fast, fluid motion. He wasn't sure if the whimper that escaped his beloved was better or worse than a scream. His hands went back to her face quickly, leaning his forehead against hers in comfort before he eased the belt out of her clenched jaw and tied it around her thigh. Mipha gasped in pain as he tightened it, watching the bleeding slow and then stop entirely.
Mipha leaned against the wall, sighing, her eyes closed tightly. Link shuffled to sit beside her and pulled her to him.
"I'm sorry," he mumbled. I'm sorry I can't heal like you can.
"Don't--ah!--don't be," Mipha said shakily, huddling closer to him. "You h-helped me. Thank you."
Link sighed heavily. Mipha just couldn't help being nice. One of these days he was going to kidnap her to some beautiful place where she didn't have to lead, worry, heal, or do anything for at least a week and he could just take care of her.
"I'll be able to heal it soon, I think," Mipha noted.
Link nodded, pulling away before scooping her into his arms. She yelped in surprise, making him smile.
"Well, in the meantime, I'll take care of you."
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