an arrhythmia -- an abnormal heart rhythm -- may be caused by: *infection or fever *physical or emotional stress *diseases such as anemia or thyroid disease *drugs and other stimulants, such as ca This is an arrhythmia caused by one or more rapid circuits in the atrium. You will know everything you need to know about the basics about arrhythmias. Those causes can include: Stress; Genetics; Scarring of heart tissue from a … Causes of arrhythmia includes various heart conditions, diabetes, high blood pressure, thyroid disorders, stress, excessive consumption of alcohol or caffeine. Unfortunately, there isn’t one cause to an irregular heartbeat. Some of these deaths could be avoided if the arrhythmias were diagnosed earlier. WebMD explains the causes, symptoms, and types of arrhythmias, which are changes in your heart rhythm that can be brought on by things like stress, disease, or certain medications. It often converts to atrial fibrillation. There are several things that can cause arrhythmia.

Having atrial fibrillation means your risk of stroke is 5 times higher than for someone whose heart rhythm is normal. An irregularity in the rhythm of your heart or arrhythmia can be caused by various factors.

Atrial flutter is usually more organized and regular than atrial fibrillation. Certain types of arrhythmia occur in people with severe heart conditions, and can cause sudden cardiac death. The changes in the heart muscle. Arrhythmias can be caused by many different factors, including: Diseases of the coronary arteries. This kills 100,000 people in the UK every year. Arrhythmias occur when the electrical signals that coordinate heartbeats are not working correctly. An irregular heartbeat may feel like a racing heart or fluttering. This arrhythmia occurs most often in people with heart disease and in the first week after heart surgery. What Are the Causes of Arrhythmia? Imbalances of electrolytes in the blood (such as sodium or potassium). Atrial fibrillation is a common cause of stroke.