If you have a racing or irregular heartbeat, also known as an arrhythmia, one likely suspect is atrial fibrillation (AFib).

Jim Harbaugh endured a concerning moment on the sidelines early during the Los Angeles Chargers' 23-16 Week 6 win over the Denver Broncos. Harbaugh began the Week 6 game coaching the Chargers on the ...

Do you ever notice a flutter in your chest? Feel unusually tired even after a good night’s sleep? Get winded from walking up the stairs when that never ...

Los Angeles Chargers head coach Jim Harbaugh experienced a medical scare and had to temporarily leave Sunday's game against the Denver Broncos because of an atrial flutter, so he is taking the ...

AMES, Iowa – You’re in the middle of the aorta, the body’s pipeline for oxygen-rich blood, looking back toward the heart’s primary pump, the left ventricle. The ventricle muscle contracts and the ...

Jim Harbaugh briefly left the Chargers vs. Broncos game in Week 6 because of a heart condition. Here's what to know about atrial flutter.