Abnormal heart rhythms, called arrhythmias, cause the heart to beat too fast, slow or unevenly. Depending on the cause, these rhythms may be harmless and may not even be noticed in patients. However, other heart rhythms are serious and increase risk
for life-threatening conditions such as sudden cardiac arrest.
In a guideline published by the American Heart Association, American College of Cardiology and the Heart Rhythm Society in October 2017, experts helped make clear how to reduce the risk of sudden cardiac death in patients with heart rhythm problems.
Here’s what every patient should know about the recommendations.