syncope female 12 human 12 Female 10 Humans 10 Middle Aged 10 adult 10 aged 10 article 10 Male 8 major clinical study 8 male 8 Adolescent 6 Adult 6 Aged 6 Child 6 adolescent 6 child 6 priority journal 6 Aged, 80 and over 4 Child, Preschool 4 Dizziness 4 Syncope 4 Vertigo 4 anamnesis 4 case report 4 clinical feature 4 controlled study 4 drug response 4 head tilting 4