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Doctor insights on: Vaso Vagal

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Whats vasovagal syncope?

Whats vasovagal syncope?

A Drop in Heart Rate: Vasovagal syncope refers to passing out when the vagus or 10th cranial nerve is stimulated. One important function of the vagus is to slow your heart down. Any activity that increases the pressure inside your abdomen can stimulate the vagus. So vasovagal syncope often happens when one is bearing down to try to urinate as in elderly men standing at the toliet. ...Read more

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Nerve vagus can cause a syncope vasovagal?

Nerve vagus can cause a syncope vasovagal?

yes: Vasovagal syncope is mediated through the vagus nerve but, remember, everyone has a vagus nerve! ...Read more

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Can constipation cause a vagal response (i.E. Orthostatic bp)?

Can constipation cause a vagal response (i.E. Orthostatic bp)?

Syncope: Bearing down causing algal nerve stimulation and resulting low BP and hr. Hypotension and bradycardia can cause symptoms from dizziness to fainting or syncope. ...Read more

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What is vasovagal syncope?

What is vasovagal syncope?

Common fainting: When the nerve vagus causes a fainting spell. Usually this happens in responds to a recent stimulus like when injecting needles, watching blood, during medical procedures, while fasting, while standing for long periods, while in fear or panic. When there is no other obvious cause for fainting it is said that is called "vasovagal syncope". There are other causes of syncope or loss of consciousness. ...Read more

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What's psychogenic vs neurocardiogenic syncope?

What's psychogenic vs neurocardiogenic syncope?

Syncope: Psychogenic syncope has no underlying cardiac or neurologic casues usually the result of a psychiatric issue. Neurogenic syncope can result from cardiac disease such as an arrythmia or the result of blood pressure instability. Cardiac eval and tilt table testing can often help diagnose the causes. ...Read more

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Can the vagal nerve stimulation device cause cardiac arrest?

Can the vagal nerve stimulation device cause cardiac arrest?

A first: I am not aware of any reports of this happening, and a quick search of the literature turned up nothing. ...Read more

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Is vasovagal syncope an acquired condition?

Is vasovagal syncope an acquired condition?

Syncope: Extremely rare to have a familial relationship...Check for underlying diabetes or cardiac disease. ...Read more

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Do sinus tach respond to vagal manoeuvres, or only SVTs?

Do sinus tach respond to vagal manoeuvres, or only SVTs?

See below.: With sinus tachy, a vagal maneuver will cause the HR to slow gradually. With release, the HR will gradually return to its original rate. With SVT, vagal stimulation will not slow the HR unless is suddenly breaks to normal rhythm. The rate then suddenly drops from, say 170, to ...Read more

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Sudden high BP/pulse, flushing, vertigo, intestinal spasms, violent(mucus only)diarrhea, nausea/vomiting. Lasts 1/2-1 hr. Vasovagal or something else?

Sudden high BP/pulse, flushing, vertigo, intestinal spasms, violent(mucus only)diarrhea, nausea/vomiting. Lasts 1/2-1 hr. Vasovagal or something else?

Rare disorders: While rare, you should be tested (with special blood samples) to exclude carcinoid syndrome and pheochromocytoma. You probably don't have either one because they're quite rare, but your symptoms are suspicious and, if recurrent, testing is certainly indicated. ...Read more

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Dysautonomia body over vasoconstricts in the brain causing reflex bradycardia and light headedness, midodrine makes worse, florinef (fludrocortisone) lowers k. Help!

Dysautonomia body over vasoconstricts in the brain causing reflex bradycardia and light headedness, midodrine makes worse, florinef (fludrocortisone) lowers k. Help!

Comments: You describe a somewhat peculiar constellation of vascular effects, and the medications selected may not be the most appropriate, if your blood pressure does not drop when standing. You need clarification, and would encourage a neurological and cardiological second opinions. Have you had a tilt table test? ...Read more

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Can an adrenaline rush prevent anaphylaxis shock?

Can an adrenaline rush prevent anaphylaxis shock?

Good point: Adrenaline ideally stops the progression of anaphylaxis, but once you are going through an anaphylactic reaction, it is hard to draw on your inner stores of adrenaline to counter act it. Injectable Epinephrine helps. ...Read more

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Epilepsy or syncope?

Epilepsy or syncope?

Common dilema: Whether an event is a seizure or syncope is a common question. You have had part of an evaluation for epilepsy. What needs to be done is see a cardiologist and have a tilt table study for syncope. ...Read more

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What can cause vasovagal syncope?

Vasovagal syncope: read this: http://www.mayoclinic.org/diseases-conditions/vasovagal-syncope/basics/causes/con-20026900

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Is fainting due to dysautonomia dangerous?

Yes: Any fainting is dangerous, due to fall risk! this is a difficult diagnosis, and needs to be fully assessed and treated. ...Read more

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Is heart rate elevated during a vagal resonse to blood draw?

Is heart rate elevated during a vagal resonse to blood draw?

NO!: The essential pathophysiology of a vagal reaction is slowing of the heart. If the heart rate has increased, it is not a vagal reaction. ...Read more