Worsening of symptoms before presentation with vasovagal syncope.

Introduction: Much of the natural history of vasovagal syncope is unknown. We determined whether patients presenting for care have had a recently worsened syncope frequency.

Methods And Results: We compared 208 subjects in the referral-based Prevention of Syncope Trial (POST) and 122 subjects who fainted > or =1 in a community survey study.

Vasovagal syncope in medical students and their first-degree relatives.

Aims: To determine the effect of family history on the likelihood of vasovagal syncope.

Methods And Results: Sixty-two medical students and 228 first-degree relatives were studied. Vasovagal syncope was ascertained with the Calgary syncope symptom score.

Age of first faint in patients with vasovagal syncope.

Introduction: Understanding whether vasovagal syncope is a lifelong disorder might shed insight into its physiology and affect management strategies. Accordingly, we determined the age of the first syncopal spell in adult patients who sought care for syncope.

Methods And Results: Patients were 42 +/- 18 years old with 64% women.