Clinical questions to be addressed: 1. What's new in vasovagal syncope? 2. What is a cost-effective work-up in the diagnosis of syncope? 3. What is the role of Holter monitoring and loop recorders, including the implantable loop recorder? 4. Can we identify patients with syncope who are at high risk for lethal arrhythmias? 5. When should I refer my patient to an electrophysiologist?