Amnesia for loss of consciousness is common in vasovagal syncope
. Europace 2011; 13: 1040-5.
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.
tends to occur in young people who are in otherwise good health.
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.
About half the time, diagnosis is predicted correctly with vasovagal syncope
, postural syncope, and cardiac syncope.
Patients followed up with a misdiagnosis of epilepsy or vasovagal syncope
may present with sudden cardiac arrest as a result of adrenergic stimuli, like in our patient.
The on-call cardiologist made the decision for hospitalization in 98.9% of patients in the cardiogenic group, 100% in unknown causes patients, 31.6% in vasovagal syncope
, and 50% for postural hypotension (P< 0.001; Figure 2).
in children requiring pacemaker implantation.
is the most common type of syncope accounting for approximately one-third of all cases .
There are some reported cases of IVC enlargement in the setting of normal RAP, including highly trained athletes, patients with large body-surface area, young adults with history of vasovagal syncope
, those on mechanical ventilation, or those with structural causes such as narrowing of the IVC-RA junction, web or tissue present in the IVC, or prominent Eustachian valve [5, 8, 9].
Alboni, "Vasovagal syncope
as a manifestation of an evolutionary selected Trait," Journal of Atrial Fibrillation, vol.