Add Yahoo as a preferred source to see more of our stories on Google. A sudden onset of irregular heart rhythms can be disorienting. wildpixel/iStock via Getty Images Plus Atrial fibrillation, or ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...

An irregular heartbeat could signal a heart rhythm disorder, also known as an arrhythmia. Experts urge those affected to get treated early to avoid serious complications.

Virginia Tech researchers at the Fralin Biomedical Research Institute at VTC have discovered that microscopic structural changes in the aging heart may reduce the risk of irregular heartbeats.

JANESVILLE, Wis. -- Mercyhealth became the first Wisconsin hospital and northern Illinois to roll out this life-saving procedure for irregular heartbeat known as VARIPULSE pulse field ablation.

Your baby's heart rate changes a lot in the first 24 hours after delivery as their body gets used to life outside the womb.

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person's risk of stroke, heart failure and even premature death. While many risk factors contribute to A-fib, one stands ...