![]() Treatment aims to prevent future episodes. It is not always possible to prevent an arrhythmia developing, although a healthy lifestyle can lower your risk of developing a heart condition. Some of these deaths could be avoided if the arrhythmias were diagnosed earlier.Ĭommon triggers for an arrhythmia are viral illnesses, alcohol, tobacco, changes in posture, exercise, drinks containing caffeine, certain over-the-counter and prescribed medicines, and illegal recreational drugs. This kills 100,000 people in the UK every year. Having atrial fibrillation means your risk of stroke is 5 times higher than for someone whose heart rhythm is normal.Ĭertain types of arrhythmia occur in people with severe heart conditions, and can cause sudden cardiac death. You may also be at risk of developing an arrhythmia if your heart tissue is damaged because of an illness – for example, if you have had a heart attack or have heart failure, or if you have had severe coronavirus (COVID-19).Ītrial fibrillation is a common cause of stroke. Drinking alcohol in excess or being overweight increases your likelihood of developing atrial fibrillation. ventricular fibrillation – a rare, rapid and disorganised rhythm of heartbeats that rapidly leads to loss of consciousness and sudden death if not treated immediatelyĪrrhythmias can affect all age groups, but atrial fibrillation is more common in older people.heart block – the heart beats more slowly than normal and can cause people to collapse.bradycardia – the heart beats more slowly than normal. ![]() ![]() supraventricular tachycardia – episodes of abnormally fast heart rate at rest.atrial fibrillation (AF) – this is the most common type, where the heart beats irregularly and faster than normal.Most people with an abnormal heart rhythm can lead a normal life if it is properly diagnosed. Arrhythmias or heart rhythm problems are experienced by more than 2 million people in the UK.
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