flu shot allergy testing Vasovagal syncope?

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I had a full allergy work up yesterday and a flu shot, and when I went back to work I passed out (I pass out very easily, have for about five years...they always said it was because of anxiety, but it never really fit). Then after passing out and the emts coming they said it may be Vasovagal syncope that I have, anyone else have this, and would that make sense?
Vasovagal syncope is just a fancy term meaning you fainted because you had a radical dip in blood pressure caused by the veins and arteries dialating rapidly and unexpectedly. The dip in blood pressure means less oxygen is getting to the brain, and you lose consciousness. Presumably when you fall to horizontal, the brain is able to constrict the blood vessels and raise the blood pressure. If you think of the circulatory system as being a system of pipes full of blood, and the pipes ordinarily have a certain diameter. There is just enough blood to fill the pipes, without any extra space. So if all of a sudden you had a couple of those pipes double their size, there obviously wouldn't be enough blood to keep the whole system full. The pressure of the blood would also drop. To refill the system you would either have to get the pipes all back to the original same size, or get more blood. Since you can't very well instantly add blood, the body gets the pipes back into the right size again. Blood vessels are designed to dialate and constrict anyway, it's one way you maintain a steady temperature and give off or hold in heat. It's also usefull for maintaining your blood pressure. In vasovagal syncope, you faint for reasons which are not related to disease or injury. You can faint because the emotional state overrides the controls, usually it's a big fear or shock that does it. The body releases epinephrine- your "fight or flight" drug, and part of the effect of that is to dialate blood vessels. If done quickly enough, it will cause the pressure to drop, and you to faint. It's common enough in the hospital, lab or doctor's office. People are scared, tense or worried, and something triggers it. The sight of blood will do it, needles, or anticipation of pain will all cause folks to drop in their tracks. What they are basically saying is that you passed out for reasons that are not linked to disease or injury, but rather your emotional state at the time. In your case, it's probably related to being keyed up for all the allergy testing, getting the flu shot, and then rushing back to work again. You probably hadn't had much to eat, and had a lot on your mind at the time. All that fight or flight finally took a toll, and you passe out. It shouldn't be a frequent occurence, though. That suggests that you must stay pretty well keyed up and stressed, until your body simply can't handle it any more. The cure in the long run is to learn to manage your stress better, or to learn stress reduction techniques so you can shortstop the syncopal episodes. If you pay close attention to what happens just prior to you passing out, you will no doubt notice some signs you can use to predict it. Things like excess sweating, especially on the face and above the lips, narrowing of vision, or feeling like you are underwater are all common warnings. When you feel your particular signs coming on, you should raise your feet and concentrate on slowing your breathing- yoga relaxation techniques or meditation work well for this. While you may not always be sucessful, you may find you are more often than not- and can eventually learn to relax and not trigger them to start with. You probably should start with a good physical exam to make sure there isn't an underlying physical problem like hypoglycemia, and once you get an all clear, find somebody who can work with you on stress reduction, relaxation techniques.  (+ info)

what is vasovagal syncope, how it is related to the autonomic nervous system?

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can it be treated by beta blockers?
please write an overview of this disease and its relation to the ANS and its treatment in no more than 8 sentences or lines.
Vasovagal syncope is caused by low heart rate and blood pressure, leading to inadequate circulation. The reduced oxygen supply to the brain thats how its related.its a form of fainting..Treatment for vasovagal syncope focuses on restoring blood flow during an episode and on prevention of future episodes.Beta blockers (β-adrenergic antagonists) are the most common medication  (+ info)

is it possible to have vasovagal syncope and sinus tachycardia?

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one of my moms friend says he has this, and he drinks a lot would that do anything? or smoking (cigarettes).
  (+ info)

any one gunan help ? does anyone have vasovagal syncope? ?

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I have vasovagal syncope and would be greatful if anyone else whos has this would like 2 chat ? x
Thanks ! I hope all goes well with your wife. the doctors have asked me about a pase marker is this somthink your wife has been asked ?
I don't have it, but my wife has Vasodepressor Syncope as well as RSD. It can be a difficult thing to have to deal with. Hope all goes well for you!  (+ info)

What is Vasovagal Syncope?

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I have been suffering with "unexplained blackouts" for just over two years now, and have today been diagnosed with Vasovagal Syncope, which is great to have a diagnosis but when my consultant tried to explain to me what it was, it appeared to be just a name that they put people under once they can't think of no more tests to run.

Does anybody know anything about Vasovagal Syncope, and also has anybody else been diagnosed with it and felt the same as me?

Thank you for anybody who helps out =]
It's just a 'posh' word for the common faint and is caused by a sudden lack of blood supply to the brain.

This in turn can be caused by several things like standing still for long periods of time, the sight of blood, not eating properly etc. have a look at my source.  (+ info)

Does anyone have vasovagal syncope?

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I've been "blessed" with what's known as Vasovagal Syncope. Everything and it's brother brings it on. I guess I'm super sensitive. If anyone has it, is there something you do or take that prevents it? After months of dr. visits and tests, I was diagnosed with it and was told to take 3 salt tablets and to drink 64oz of Gatorade everyday. This was years ago. That hasn't helped at all. Once it comes around, it stays for days with horrible side affects. I'm hoping all it is is VS and not something more severe.
I don't have it, but there's an useful link...

http://qjmed.oxfordjournals.org/cgi/content/full/92/12/697

Good luck...  (+ info)

Contact Lenses + Vasovagal Syncope - Reassurance Needed?

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Just wondering if I could get a little reasuranse somehow. I tried contacts last time, and I ended up getting really faint, and lightheaded, so I didn't end up using them these past years. Know, I really want to try contacts again as my vision is much worse now but my Vasovagal Syncope has my worried. I feel like the same thing is just going to happen again when they put them in my eyes unless I can find some way to relax. Anyone have any advice? Thanks!
Its all about motivation. If you really want to wear them, you should stop being apprehensive about it. Contact lenses wont get into the reverse side of your eyeball, neither will they pop out of the eye (unless you wear RGP lenses), and neither will they cause any of the numerous myths that float around in chain emails.
So relax, prepare yourself and go wear them!
Just to be double sure, see if you need any medications for your episodes.  (+ info)

Is vasovagal syncope a "disease"?

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I went to the hospital recently from passing out, and they told me it was from vasovagal syncope. Was I diagnosed with this, or is it just something that they told me that caused it because they didn't know what else it could be?
I'm very confused with it. Do I "have" it? Or is it just a one time thing?

I'm almost 14, by the way, if that helps at all.
Vasovagal syncope means you passed out because your veins and arteries dilated and dropped your blood pressure to far too fast. The process is usually set off by emotional reactions and controlled by the vagus nerve. You got upset, excited, scared or something, and the result was a drop in blood pressure. That starved your brain of oxygen and blood, and you passed out. It's not a disease. It's a physiological reaction to something. You have a vagus nerve like all other humans, so you have the potential to pass out like everyone else has. It is usually a one time thing, yes- although some folks do have triggers- like seeing blood or having the blood drawn. It's nothing to get excited about really.  (+ info)

VASOVAGAL SYNCOPE WHILE SLEEPING?

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I have had experienced this syncope since 6 years ago, but it only happens when I am sleeping, nausea wakes me up, then I start vomiting, had to defecate, sweat a lot, I feel dizzy, pale skin, taquicardia, flurry vision, etc..... this episode repeats even 8 or 9 times during one night, anybody who feels the same or know about this syncope while sleeping?
Vasovagal syncope is the most common cause of fainting. It occurs when your body reacts in an exaggerated way to such triggers as the sight of blood or extreme emotional distress. The trigger results in a sudden drop in your heart rate and blood pressure, which reduces blood flow to your brain and causes you to briefly lose consciousness.

Vasovagal syncope is usually harmless and requires no treatment. But your doctor may recommend tests to rule out more-serious causes of fainting, such as heart disorders.

I would like to ask you how certain are you that you are suffering from vasovagal syncope? The symptoms you describe could also be attributed to epilepsy. Perhaps you need to have the possibility investigated through an EEG and CT Scan.  (+ info)

how does one prevent vasovagal syncope (fainting)?

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for example when they see blood? I know lying down helps, but what about other things like putting your head between your knees, deep breathing, tensing muscles to keep blood pressure up. Thanks in advance for your input
I'm a sufferer of vasovagal syncope due to having a heart condition. I've never found anything works apart from lying down and taking lots of DEEP breaths to help get oxygen to your brain. It's a horrible, horrible thing to happen.

If you feel a syncope attack starting, immediately lie down flat on the floor. Get people to help you down if necessary.  (+ info)

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