Wide Complexes Intervening Regular Sinus Rhythm - 3
|These Rhythm Puzzles have been published in the Netherlands Heart Journal and are reproduced here under the prevailing creative commons license with permission from the publisher, Bohn Stafleu Van Loghum.|
|The ECG can be enlarged twice by clicking on the image and it's first enlargement|
A 73-year-old man presents with palpitations (irregular heartbeat). There is no medical history. Physical examination reveals no abnormalities. A baseline ECG is presented in figures 1A and 1B, which together show a 12-lead ECG (extremity leads in figure 1A and precordial leads in figure 1B).
What is your diagnosis?