An 18-year-old man is referred to you after an episode of syncope while playing tennis. He had just completed a point and was standing at the net when he suddenly became dizzy and fell to the ground. He denies any prior episodes of syncope. There is no significant past medical history and no family history of heart disease, arrhythmias, or sudden death. His electrocardiogram (ECG) is shown

Which of the following should you recommend next?

1. Tile table testing.
2. EP study.
3. Echocardiogram.
4. Holter monitor.
5. Cardiac PET scan.