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.

Our heartbeat serves as a vital indicator, which shows how well our heart functions. The heart experiences irregular rhythms ...

Nicole Villalpando covers health for the Austin American-Statesman. The health beat takes her inside operating rooms, laboratories and clinics to tell the story of health care from a human perspective ...

Most heart palpitations are harmless. But some signal a serious risk. Here are the key red flags a top heart doctor says not to ignore.