Table 1
Summary of case details
Case
Sex
Age
1-150
Presentation
ECG during sinus rhythm
PR interval
δ wave
1
Male
29
Palpitations
0.12 s
Absent
2
Male
22
Palpitations
0.14 s
Absent
3
Female
30
Syncope
0.13 s
Absent
↵
1-150
Age at electrophysiology study.