Often dismissed as stress or dehydration, fainting can be the heart's first warning sign. Cardiologists caution that ...

Medically reviewed by Mary Josephine Hessert, DO Common triggers for vasovagal syncope include extreme heat and dehydration.Fainting episodes occur most frequently in people younger than 40 years old.

Melbourne, Australia - Contrary to some previous reports, new research involving twins suggests that genes probably do play an important role in vasovagal syncope (VVS) [1]. The new study, which ...

The first US safety and efficacy study of radiofrequency (RF) catheter ablation for vagal denervation in patients with neurocardiogenic syncope suggests the procedure can correct autonomic bradycardia ...

Fainting represents one of the body’s most dramatic protective mechanisms – a sudden, temporary loss of consciousness that looks alarming but often serves a vital purpose. This phenomenon, medically ...

Patients with recurrent fainting episodes (syncope) who received a pacemaker delivering a pacing program designed to detect and stop the abnormal heart rhythms that precede syncope had a seven-fold ...