Syncope, Familial Vasovagal, also known as familial neurocardiogenic syncope, is related to vulvar vestibulitis syndrome and apnea, obstructive sleep, and has symptoms including dizziness, syncope and lightheadedness. An important gene associated with Syncope, Familial Vasovagal is VVS (Syncope, Familial Vasovagal). Related phenotypes are vertigo and syncope