Syncope, Vasovagal

Neurally Mediated Faint; Syncope, Cerebral; Syncope, Malignant Neurocardiogenic; Syncope, Supine; Syncope, Vasovagal, Neurally-Mediated; Cerebral Syncope; Cerebral Syncopes; Faint, Neurally Mediated; Faints, Neurally Mediated
Loss of consciousness due to a reduction in blood pressure that is associated with an increase in vagal tone and peripheral vasodilation.