Atrial flutter occurs when a “reentrant” circuit is present, causing a repeated loop of electrical activity to depolarize the atrium at a rate of about 250 to 350 beats per minute; the atrial rate in ...

Chargers head coach Jim Harbaugh shared some more information about the health issue that sent him to the locker room during the first half of Sunday’s win over the Broncos. Harbaugh told the CBS ...

Experiencing atrial fibrillation is sort of like feeling your heart skip a beat, followed by a thud, with it then fluttering or racing along for a few seconds after. Some people notice just a weak or ...