A 71-year-old female patient presents to the OPD clinic with an irregular heart rhythm. The complaints started a few weeks ago and seem to worsen. Her cardiac history reveals the use of digoxin prescribed by her general physician for an irregular, much faster, heart beat a few years ago. The present symptoms are different from those. Physical examination did not reveal any abnormalities except the irregular heart rhythm.

Additional cardiological examinations (X-ray, echo) were without abnormalities. What does the ECG suggest? *This case is from Docplexus editorial team for educative purpose only Source: ECGpedia The answer is posted in the comment section. Click here