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#Nerve conduction
claritymedical · 2 years
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thresholdbb · 4 months
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Do we think Seven can feel all of her face and body?
The Borg know when things happen in the collective and can arguably feel them, but when an individual is severed from the Borg, that expansive collective consciousness is violently narrowed down to a pinpoint. We know Seven has pretty good proprioception because she agrees that her shoulder hurts when the EMH finds that her biradial clamp is off by 0.3 microns. Because of this, she arguably has a very good understanding of how things in her body feel. That said, she doesn't really complain about physical pains, and we really only see her struggle when things are emotionally difficult.
Since she had been in the collective since she was 6, she wouldn't necessarily know that certain sensations are not normal. If there were any issues that happened as a result of her assimilation, she wouldn't necessarily know they are unusual after she was severed because that's what she has always known.
So back to my original question: can she feel all of her face? Looking at the placement of her facial implants, they are both on the trigeminal nerve. The cheekbone implant is right around the root of the nerve, and the eyebrow piece sits right over another branch. Trigeminal neuralgia is crazy painful, but she could have trigeminal neuropathy and think it's completely normal because she doesn't have a typical baseline to compare it to. I imagine the Borg implants must interrupt some nerve functioning to ensure that the drones move as they are supposed to, and the nano probes would repair any damage that would affect their functioning. But the Borg would consider physical discomfort irrelevant, so relatively minor issues like neuralgia, pins and needles, or any other unusual sensations would not be considered an issue.
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carnival-phantasm · 2 years
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There's a basic biology question that I still have no answer to, so perhaps one of you can help me out: why are teeth literally filled with pain receptors?
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Had a demonstration of measuring nerve conduction velocity of nerves, was a good day
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tea-and-spoons · 11 months
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What happens when... I get an EMG and nerve conduction study?
This post is a two-in-one, because an EMG and nerve conduction study are almost always done together.  The EMG section comes with a serious trigger warning for needles, so the start and end of that section are clearly marked if you just want to read about nerve conduction studies.
Both of these tests are done to measure how well your nerves are working- specifically your peripheral nerves, which is everything but your brain and spinal cord.  By measuring how those nerves send electrical signals through your muscles, the doctors can determine a lot more about the possible cause of any weakness, tingling, numbness, or pain you’re having.  Don’t worry, your nerves always function using electricity, that’s not anything unusual!
Both of these tests are typically done by a doctor, often the same one who ordered it.  The doctor may take measurements all the way up your arm/leg to your spine, meaning your upper back and/or butt might get poked and prodded too.  If you wear a tank top or loose shorts, you might be allowed to stay in your clothes, but often you’ll have to wear a cloth gown instead.
A nerve conduction study is typically done first, and involves absolutely no needles!  Before or during the test, they’ll take some measurements of your limbs, and use a marker or pen to draw some little dots and lines on you.  They’re just marking reference points to be consistent with their testing.  Next you’ll be connected to a few wires, using some combination of goopy stickers (like for a heart monitor) and wire loops that go around your fingers or toes.  These all feed back into a machine that looks quite a bit like an old computer.
This part measures how quickly your nerves send signals by sending a quick pulse of electricity between the wires you’re attached to.  If you’ve ever used a TENS unit or had iontophoresis done at physical therapy, it feels almost the same as that.  Just a split second of tingling/zapping sensation that makes your muscles twitch.  They’ll start pretty low (I barely felt the first ones) and turn it up until they get the measurement they need.  For me, it was just unpleasant, but for some people it can be painful.  It’ll take a few zaps for each spot they’re measuring (shouldn’t be more than 10) and then the wires get moved to the next spot.  Even if you’re only getting one side tested, they may do a couple spots on the other side to compare.
***trigger warning for needles starts here****
EMG is short for electromyography.  I had one doctor describe it as, “Instead of zapping you with electricity (like the nerve conduction study), you get to zap the machine!”  What he meant was, instead of sending electricity through you like the nerve conduction study, the EMG measures the electricity your nerves are making on their own.  Unfortunately, this is measured by sticking a needle in you- it’s between 1 and 3 inches long, but never goes all the way in.  They choose the needle size based on how deep they need to go to get good test results in that spot.  Some of that depends on your body shape, but it also depends on where particular muscles and nerves are inside you (it’s a little different for everyone!)  The doctor pokes the needle perpendicular into a muscle, then slides it in a quick in-out motion a few times.  So there’s a little pinch when it goes in, and then it might hurt when they move it up and down.  I’ve had three EMGs, and one I barely felt, one was excruciating, and one was in the middle.  So I think it depends on the doctor, your body, and the size of the muscle they’re measuring.  For example, the needles in my hand hurt a lot.  The one in my thigh was fine.  While the needle is in there, they’ll ask you to make some small gentle movements (which will probably make the pain worse.  Sorry.)  Some of the spots might bleed a little when they pull the needle, and you’ll probably have some little bruises the next day, but the doctors do try to avoid sticking you where it will bleed a lot.
An interesting thing about this test is that it gives results by transforming the electrical signals from you into static noises.  You’ll hear moderate volume staticky-crackling noises whenever you or the needle moves, which I think is equal parts cool and annoying.
****trigger warning for needles ends here****
It’s different for everyone, but you might be some level of sore after, ranging from “oh I have a tiny bruise” to “holy cow nerve pain I don’t want to move.”  If you’re worried and/or prone to nerve and muscle pain, definitely ask if you’re allowed to premedicate!
Since it’s usually the doctor doing the test, you’ll probably be told basic results right away.  Between the ouch of the test and the immediate results, it can be pretty draining so please take some time after to recharge if you can. 💙
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opens-up-4-nobody · 2 years
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#god. ok. so i should really b reading papers rn but my lab mate called me needy today and it just keeps cycling in my head#like ive spent way too much time around him bc of field work and the thing abt me is that i just say whatever tf is in my brain so hes#basically been exposed to a scattershot of anxious thoughts in my head idk wtf he must think of me but today he said#the more i learn abt u the more i realize ur needy in these v specific ways#and i think it bothers me a lot bc needy isnt the right word. im not needy. i dont plead for help. im just a semi non functional person.#i just lay here not dealing with all these problems i have. but i generally try just make it my own problem. im just a bit pathetic like#that. do i need help? maybe but im not like needy. im just semi nonfunctional and rather compulsive and controling over myself. i live in a#world full of invisible walls as dictated by my stupid brain. but its all internal control i can put up with a lot as long as i have ctrl#over myself. its not especially healthy but it makes me pretty easy going i suppose. ugh! needy! he obviously hit a nerve how annoying#whatever im exhausted bc i had to b a scribe all day and i had a phd meeting this morning. the project sounds v cool and apparently im the#most qualified person to approach them so far but idk itll be v competitive and do i really want a uk phd? idk idk#at least this guy conducted it like an actual interview. i was like fuck finally some structure! and he said i talk well lol thanks dude#so he thinks id do ok getting grilled by a pannel. idk i kinda wanna apply just to see how far id get into the process#unrelated#i was also having harrowing nightmares last night abt climbing mt everest. at least i got 8hrs sleep lol fml i leave for sampling again#tomorrow afternoon. this is what i get for trying to have even a tiny bit of a social life rip
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aturinfortheworse · 2 years
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love how i "have fibromyalgia" and yet any time i seek treatment for a specific pain, it turns out to be caused by hypermobility. like okay yeah i probably do have fibromyalgia but crack fucking job to the seven doctors who either didn't notice my hypermobility or decided it was irrelevant, when literally every single physiotherapist ive ever seen has immediately gone "oh you're hypermobile, that's probably contributing to your pain"
two rounds of xrays, CT scans and nerve conduction studies came back clear because I HAD TENDONITIS from my HYPERMOBILITY. they literally used my nerves, in my actual human body, to conduct electricity from one point to another, before anyone so much as said 'hey your hands are very flexible, have u looked into that?' MY NERVES THAT I USE FOR THE DETECTION OF PAIN. THOSE NERVES. ELECTRICITY.
seven doctors assessed me for hypermobility and not one of them ever said 'this might be hurting you.' none of them even told me i was hypermobile because i wasn't hypermobile enough???
IT HAS BEEN ELEVEN YEARS
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-; path to recovery
As mentioned in previous headcanons, Lex’s battle with Zenos left him in an incredibly broken state. Unable to walk or even move most of his body, he had to be carried off the Ragnarok. Everyone’s healing brought him back from the brink, but they couldn’t fix everything. Some damage was far too deep. 
The ones who helped him begin to heal were Alphinaud and Cid of course, but to most everyone’s surprise, Nero did a fair bit of the legwork as well. Sharlayan had a magical device to test aether within a person and assess any internal damage, but Nero had to one up that. He built a custom device (that he later distributed all around Eorzea) that could test nerve damage within a person. It distributed electrical shocks and would measure the reaction time. It can be incredibly painful for most, but efficient. 
Lex was one of the first to test the device. As his legs were badly damaged internally, and he had a much higher threshold for pain, he offered to be one of the first to try it out. Luckily, after some testing, it worked wonderfully. He learned the extent of the damage, and was able to begin properly healing.
He still has tests every once in a while to see how he’s progressing and if there’s any new damage. They’re not nearly as bad as the tests once felt, but a fun side effect is that Lex really avoids anything that’s lightning-aspected. It reminds him too much of Nero’s penchant for pushing him to his limits.
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I wouldn’t expect to be offered food if visiting someone’s house???
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wllbyers · 3 months
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I have to be up at 6am and I know I should be asleep but I also can’t sleep
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If you've had a nerve conduction study done, is it as bad as people say it is? I'm nervous for mine
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bugbyte · 8 months
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Medical nonsense! Spent my evening crying about it. That’s becoming my new hobby.
Some of this discusses needles and medical trauma, and even though I’m tagging those I also want to be up front because it’s pretty heavy.
Got a letter from an office I haven’t been to yet that’s doing yet more genetic testing for something that’s for sure confirmed to run on one side of my family and will also Mess You Up, and instead of being informed by a person it’s just. Like 3 sentences that vaguely explain this other test they want to do.
It’s a nerve conduction test, plus an electromyogram, both of which involve sticking a bunch of needles into muscles and then either putting electricity in to see what happens or measuring electrical output on an oscilloscope. Which, because I love electronics sounds fascinating on the surface except for the needles part and realizing that those suckers are going to have to go deep to actually touch muscle (which I learned from trigger point injections) and so yeah no I am filled with a copious level of nope and dread. The nah cup runneth over. I’m going to try and speak to a human and see if this is actually necessary because I don’t have symptoms of the genetic thing presently, but I was advised to test for the gene now because it appears later in life. And if I can do anything or science improves before then, I want to know.
Then I thought about it too much and had a panic attack, which took a while to put 2 and 2 together, but it’s trauma, it’s always trauma if you keep peeling back layers. I had surgery in mid-2020, sort of unexpectedly, and at the height of the pandemic. I had never had surgery before, so I was in the hospital, alone, cut off from family and support people because they took my belongings to a locker, so my phone was out of my hands. At the time I was much worse about dealing with needles than I am now and got a bunch of surprise blood draws and injections and several failed IVs in pre op when I had mentally prepared for…one IV.
Anyway, I was having a panic attack because I had been told not to take my meds beforehand and they threw my spouse out of the waiting area even though I had been told he could stay with me because of my anxiety. I tried to communicate all of this to the nurses setting me up but, man, these two just had some kind of good cop/bad cop routine going on and Bad Cop was trying to get blood from my hand and slapping my veins viciously. The other nurse was in my other arm placing the IV but the tube size was incorrect and instead it started leaking everywhere, so Bad Cop came over to help and just applied an excessive amount of pressure to keep the IV in place while a new tube was put in but man, it did not need to be nearly that rough. I was not bleeding and it wasn’t meds going in, just saline. All of this did not help my panic attack. She was just clearly pissed about having to deal with me and got away with just enough physical violence that could be written off as necessary for the blood draw and me exaggerating because of the panic attack. I wasn’t exaggerating though. I had bruises for over a month. I bruise easily, but this was something else.
The first person there to show me any kindness was the anesthesiologist who spoke kindly to me and talked about the procedure and then dosed me with versed to help with the panic. Here’s the thing: versed is supposed to calm you down and make you forget what’s happening. My anxiety was so high that she had to come back for another dose. I clearly remember everything up to being put under. My brain was fighting that hard, under the impression it was going to die, because panic attacks do that. I felt like a wilted plant but I had total awareness in a limp body, which was also a mildly terrifying experience.
Anyway, dropping a weird new test on me this week with very little information or justification, that’s apparently needle based and described as “mildly uncomfortable” (one of the greatest lies in medicine) just slapped every button on my console like a kid in an elevator.
I’m just, not willing to put myself in a room alone with people I do not know who are going to stick me and tell me “it doesn’t hurt that bad.” Baby, I have a connective tissue disorder, everything hurts that bad. Trigger points leave me bruised for a week. I sublux my shoulder on the regular and have to straighten my fingers because the joints have popped out and my free floating fingers are point more sideways. Tightly-focused, sharp, drawn-out pains are my kryptonite, but at least I’m self aware.
So. You know. Crying it out and trying to parse where all this defense mode came from, and what do you know, it’s hospital trauma. Chalk that up as a new one. Or an old one. Brains are awful. I’ll get through, I always do, but I feel like I keep re-emerging as a new person every time which is a confusing feeling.
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cmtblogger · 1 year
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CIDP and CMT
I’ve been interested in the diseases and disorders that can be mis-diagnosed as CMT or vice versa. One that has come up a lot is Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) which can look like CMT cases where demyelination is prominent, usually Type 1/1A. In one international study of more than 1,100 people diagnosed with CIDP, 3.2% actually had CMT. People with CIDP showed…
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infinityinsights · 1 year
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greenglowinspooks · 7 months
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The way that I’m brainrotting over a DCxDP crossover with a Danny who’s a vengeful villain rn
Like, let’s just say that the GiW finally get into contact with the JL. They need help neutralizing a threat, you see, and they’re on their last limb trying to keep civilians safe.
They have video evidence! They have studies to back their claims! The JL have to help them!
Unfortunately, the JL believe them. They join a fight against Danny, and defeat him due to being far more experienced than he is. Danny is locked away and experimented on by the GiW.
That would CHANGE a person. Your heroes turning against you and seeing you as a monster, being experimented on for who knows how long, not knowing if your friends and family are safe.
Danny gets out due to a simple mistake on the GiW’s part; having Blüdhaven as part of their transport route.
Of course the trucks were attacked, they’re government property!
So now, whoever decided to raid the government transport trucks (the Penguin or something) has a ton of experimental weapons with no idea how they work, and a heavily traumatized teenager.
Danny knows how they work. Danny can be useful! They won’t throw him out if he’s useful! And so, now Danny is working for the Penguin, altering the ectoplasm weapons to make them work on humans.
It’s a good deal for both parties. Danny gets to neurotically imprint on the Penguin like a small baby animal, and the Penguin gets a brilliant mind who will stop at nothing to achieve his goals.
But eventually, Danny finds out what happened to his family in his absence.
Jazz is in Arkham. Not as a psychologist, but as a “patient.” Apparently, she snapped and completely destroyed the house, leveled a few blocks of Amity Park, and conducted organized attacks on government bases (mostly GiW) for months.
Sam and Tucker helped her, eventually splitting once Jazz was captured. Sam travels to areas of extreme pollution, completely overgrowing them with her plant powers. Currently she’s in the Amazon rainforest, engaging in an ongoing feud with logging companies. Sam is winning.
Tucker faked his death, and Danny has no idea where he is. He only knows that the death wasn’t real because of a code that the three of them made together, just in case.
Ellie’s trapped in the Infinite Realms. Danny had a failsafe in place so that if she was ever cornered by the GiW, she would be sent to her haunt in the GZ. However, with the portal destroyed, she can’t come back. Danny just hopes she’s okay.
His parents are now top GiW scientists. They’re traveling the country giving speeches. They’re working on a battery powered by ectoplasm, but apparently started “having difficulties” around the same time that Danny escaped.
None of it is fair. None of it is right.
The Justice League destroyed his life, the lives of his friends, and they’re doing as good as ever. The GiW is respected, and his parents are happily working away for them.
Danny takes up some of his more experimental weapons and breaks Jazz out of Arkham. She’s a little different now, colder and more quiet, but she still loves him all the same. It’s an unimaginable comfort to him to see his sister again.
He can’t use his powers anymore. He’s so used to associating them with pain that even transforming into his ghost form is enough to take him down for hours.
However, he understands ectoplasm more than anyone else in the world. He knows how to use it in virtually everything; how it can become a weapon, how it can be used as a supplemental ingredient in poisons and nerve agents, how it can twist and distort the mind if applied correctly.
He doesn’t care what happens to him. He’s going to take down the GiW, and destroy the lives of the JL members who helped lock him away, just as they did to him.
No matter the cost.
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starhomecare · 1 year
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Why Do Doctors Recommend An NCV Test
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Doctors recommend nerve conduction studies or NCV Tests for those who develop the symptoms like numbness in fingers, tingling in arms or legs, or experiencing weakness in arms and legs.
NCV test at home is conducted along with an EMG which points out the difference between a nerve and a muscle disorder. Moreover, Nerve Conduction Velocity determines any problem affecting the nerve, whereas an EMG detects the working of the muscle in response to the stimulus of the nerves.
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