View source for Puzzle 2006 3 108 Answer

{{NHJ|
|mainauthor= '''A.A.M. Wilde, L.R.C. Dekker'''
|edition= 2006:03,108
}}
[[Image:Puzzle_2006_3_108_fig1.jpg|Figure 1|thumb]]
A 28-year-old male was referred because of an
abnormal ECG. He was having occasional palpitations.
His family history is unremarkable. Physical
examination revealed no abnormalities. His ECG is
shown in figure 1 (standard calibration: 25 mm/s and
10 mm/mV). 

'''What is your diagnosis?'''