Is an arrhythmia deadly?

Hello, I'm an expert in the field of cardiology with a focus on heart rhythm disorders. I can provide you with information regarding arrhythmias and their potential risks. Arrhythmias are abnormal heart rhythms, and they can range from harmless to life-threatening. Not all arrhythmias are deadly, but some can be serious, especially if they affect the heart's ability to pump blood effectively or if they are associated with underlying heart conditions. Ventricular fibrillation and sudden cardiac arrest are examples of arrhythmias that are considered deadly because they can lead to sudden death if not treated immediately with medical intervention, such as defibrillation. On the other hand, some arrhythmias, like premature atrial contractions or supraventricular tachycardia, may not be immediately life-threatening but can still cause discomfort and, if persistent, may require medical attention to manage symptoms and prevent complications. It's important to note that the risk associated with an arrhythmia depends on several factors, including the type of arrhythmia, the presence of other health conditions, and the individual's overall health status. In summary, while not all arrhythmias are deadly, some can be life-threatening and require prompt medical attention.

Millions of people experience irregular or abnormal heartbeats, called arrhythmias, at some point in their lives. Most of the time, they are harmless and happen in healthy people free of heart disease. However, some abnormal heart rhythms can be serious or even deadly.