Difference between anxiety and atrial fibrillation symptoms?

Tough call : Sometime s they can mimic each other. Usually anxiety or panic disorder will involve more global symptoms of panic feeling of doom while afib may be more limited to palpitations or shortness of breath . If you are not sure see your doctor.

Timing: With fibrillation, the heart fluttering usually precedes the emotions of anxiety, but this can be extremely difficult to sort out clinically. We usually just measure the rhythm directly with something called a holter or (different device) an event monitor to sort this out.

Irregular pulse: With a. Fib you would have extremely irregular pulse, there are other differences of course, but this one is the easiest one to figure out on your own, if it fast and irregular go to er asap.