The usual way to detect atrial fibrillation is to record the electrocardiogram (ECG) during an episode and check the waveform. But, in the early stages of atrial fibrillation, it is often ...

The QRS complex is irregular and coarse "fibrillatory waves" are present (see atrial fibrillation review by ... (unknown since the rhythm is not a normal sinus rhythm). As the ventricular rate ...

The P wave is absent on the surface electrocardiogram and may at times be replaced with “fibrillatory waves.” Atrial flutter is similar to atrial fibrillation (AF) in regard to symptoms and ...

All elite athletes at this year's Boat Races are screened for underlying cardiac conditions and have an ECG – a ... is different to atrial fibrillation you see in the normal population," said ...

My watch has an electrocardiogram (EKG) function, and it immediately said I was in atrial fibrillation at a rate of 100-130 bpm ... After about 5 hours, my heart rhythm went back to normal, and they ...

Atrial fibrillation (AFib ... About 40% of people with AFib feel completely normal. For some unlucky folks, their first hint of AFib is a stroke — that happens to about one in five patients.

Background Endurance exercise training produces multiple cardiac adaptations including changes in electrophysiological function that may make endurance-trained athletes more vulnerable to atrial ...

Background: Several clinical factors have been studied to predict atrial fibrillation (AF ... is extracted from surface electrocardiographic (ECG) recordings. The AA will be characterized through ...