Certain heart arrhythmias, particularly atrial fibrillation, can disrupt blood flow and lead to the formation of blood clots that travel to the brain, increasing the risk of stroke. While arrhythmias ...

An arrhythmia is an irregular heartbeat. An arrhythmia may feel like a racing heart or fluttering. It is not always serious but can sometimes indicate a potentially fatal heart problem. Arrhythmias — ...

Without treatment, some arrhythmias can lead to life threatening complications, such as heart failure, cardiac arrest, or a stroke. Arrhythmia is the term used to describe an irregular or abnormal ...