as there is no pattern to their frequency. This is commonly described as varying RR intervals. This means an ECG showing atrial fibrillation will have no visible P waves and an irregularly ...

This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There are two QRS complexes that become wide in a right bundle branch block pattern. This can occur at fast heart rates ...

Once you cross age 40, you have a 1 in 4 chance of developing AFib. The Heart Rhythm Society ... Simple electrocardiogram (ECG or EKG) technology can measure your heart’s activity.

NEW HAVEN, Conn. (WTNH) — In Friday’s Health headlines, February is heart month, and we’re talking about AFib, portable EKG devices, and how stress this season can be hard on the heart.

In Friday's Health headlines, it's heart month, and we're talking about AFib, portable EKG devices, and how stress this season can be hard on the heart. In Friday's Health headlines, it's heart ...