4% of our patients suffered
vasovagal reactions, all during the procedure.
There were no instances of laryngospasm,
vasovagal syncope, or significant cardiovascular change in any of the examinations.
The probable cause of syncope is
vasovagal syncope (VVS) occurring because of profound systemic hypotension due to reex vasodilatation, or vagally driven bradycardia, or both followed by dizziness, presyncope and finally syncope.
Vasovagal syncope tends to occur in young people who are in otherwise good health.
Hypoglycemia as a possible factor in the induction of
vasovagal syncope.
Also, a paper published in Circulation Journal titled "Usefulness of physical maneuvers for prevention of
vasovagal syncope" says squatting and leg-crossing with muscle tensing can be used as a simple and effective preventive maneuver in patients with VVS.
- situational syncope, a type of
vasovagal syncope but only occurs in some situations that affect the nervous system, like too much stress, anxiety, pain, hunger, hyperventilation, too much drugs or alcohol, and more;
Patients may be followed up with erroneous diagnoses including epilepsy or
vasovagal syncope because of recurrent fainting spells and episodes of loss of consciousness.
She first passed out as a child but it took more than a decade before she was given a proper diagnosis of cardioinhibitory
vasovagal syndrome in May 2011.
The diagnosis of syncope was
vasovagal in 52, cardiogenic in 92, postural hypotension in 11, and due to unknown causes in 7 cases.
The Frenchman was diagnosed with
vasovagal syncope - a form of low blood pressure - in 2009 after collapsing during a French national team training camp.