View source for An Irregular Rhythm at Older Age

{{NHJ|
|mainauthor= '''A.A.M. Wilde'''
|edition= 2007:4,157
}}
[[Image:Puzzle_2005_4_157_fig1.jpg|Figure 1|thumb]]

An 86-year-old man presents in your outpatient
clinic with stable angina pectoris (NYHA 2/4).
There is no further medical history with the exception
of hypertension for which he is being treated with
metoprolol 100 mg daily. Physical examination reveals
no abnormalities. His ECG is shown in figure 1 (only
extremity leads). 

'''What is your electrocardiographic diagnosis?'''

[[Puzzle_2005_4_157_Answer|Answer]]