How often and for how long does the I phone watch check for atrial fib? I see no information as to how long the check is periodically (ie- for 30 seconds or 2 minutes)
How often and for what length of time does the I phone watch periodically check for atrial fibrillation? Ie does it check for 15 seconds or for 2 minutes each time it checks? How often in a day does it check?