Anecdotally, I also had arrhythmia and after a few months and visits to doctors I figured out it was the type of coffee I drank. Changed back (from Espresso so

Anecdotally, I also had arrhythmia and after a few months and visits to doctors I figured out it was the type of coffee I drank. Changed back (from Espresso so standard) and the arrythmia was gone. YMMV