How do know you are in afib

A fib: You can check your pulse. If it is irregularly irregularly (no mistake) then there is a good chance you have a fib. Normal pulse is .........., a fib . .. ..... . .. . . . ... . . . . . (and rapid) . The better way is to get a home EKG monitor system which just uses your fingers. Go to the ED 4 chest pain, shortness of breath, new lower leg swelling, lightheadedness. See your MD.