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What is an arrhythmia & what causes it?
What causes abnormal heart rhythms (arrhythmias)?
What is an arrhythmia & how does it affect the heart?
How are arrhythmias categorized?
Causes of heart rhythm problems. Heart rhythm problems happen when there's a fault with the electrical system that makes your heart beat. This can be the result of a heart rhythm condition, such as atrial fibrillation or supraventricular tachycardia (SVT).
- Atrial Fibrillation
Atrial flutter is less common than atrial fibrillation, but...
- Heart Palpitations
Common causes include: strenuous exercise; lack of sleep;...
- Heart Block
2nd-degree heart block sometimes causes troublesome symptoms...
- Supraventricular Tachycardia
This causes your heart to suddenly beat much faster. It can...
- Wolff-Parkinson-White Syndrome
Wolff-Parkinson-White (WPW) syndrome is a condition that...
- Long QT syndrome
If your symptoms are frequent or severe, and you have a high...
- Brugada Syndrome
Brugada syndrome is a rare heart condition that's usually...
- Heart Failure
Causes of heart failure. Heart failure is often the result...
- Atrial Fibrillation
- On This Page
- Arrhythmia Explained
- Symptoms of Arrhythmia
- When to Get Medical Help
- Causes of An Arrhythmia
- Diagnosing Arrhythmia
- Treating Arrhythmia
- Living with An Arrhythmia
An arrhythmia is an abnormal heart rhythm. Your heart is controlled by a conduction system which sends out electrical impulses. This causes a heartbeat. Arrhythmias are caused by a problem in this conduction system, which can make your heart beat too slowly, too quickly, or in an irregular way. There are different types of arrhythmia, the most comm...
The symptoms you have depend on what type of arrhythmia you have. The most common symptoms include: 1. palpitations(a thumping or fluttering sensation in your chest) 1. dizziness 2. feeling as if you may ‘black out’ 3. breathlessness 4. chest discomfort 5. feeling tired.
You should speak to your GP about your symptoms if: 1. your palpitations last a long time, don't improve or get worse 2. you have a history of heart problems 3. you're concerned about the palpitations. You should dial 999 for an ambulance if: 1. along with palpitations, you start to feel short of breath, have chest pain or feel faint or dizzy.
Some underlying conditions which could cause an arrhythmia are: 1. a heart attack 2. heart failure 3. cardiomyopathy 4. coronary heart disease. Some abnormal heart rhythms can be caused by inherited conditions, such as Long QT syndrome, Brugada syndrome, CPVT and PCCD. If this is the case for you, your doctor will talk to you about having family me...
Your GP might refer you for tests including: 1. an ECG 2. an echocardiogram 3. an electrophysiological (EP) study. An ECG may include different tests such as a 24hr ECG, exercise ECG, and an implantable loop recorder. Information on what these tests are and what to expect can be found above on our ECG page.
Your treatment will depend on your type of arrhythmia. Common treatments include: 1. medication 2. cardioversion 3. catheter ablation 4. inserting an implantable cardioverter defibrillator (ICD) or pacemaker.
Most arrhythmias are manageable. This means that with the right treatment you can carry on living as you were before you were diagnosed. Living with an abnormal heart rhythm can be emotionally challengingfor you and your family. It's important to manage anxiety and stress and get support from your GP or loved ones if needed. You might have to think...
Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may beat too fast or too slow. Or the pattern of the heartbeat may be inconsistent. A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat.
It happens when electrical impulses that direct and regulate heartbeats don’t function properly. This causes the heart to beat: too fast (tachycardia) too slow (bradycardia) too early (premature...
Apr 5, 2023 · Arrhythmia describes an irregular heartbeat, one that beats too slow or fast. Learn arrhythmia symptoms are normal vs. require medical attention.
Nov 18, 2022 · An abnormally fast, slow, or irregular pulse. Dizziness or feeling faint. Shortness of breath. Chest pains which sometimes develop. Some arrhythmias are more serious than others. A heart rate that is very fast or very slow can result in too little blood flowing through the heart. In some cases this can lead to heart failure, or you may collapse.
May 22, 2024 · Arrhythmias — sometimes called dysrhythmias — occur when the electrical signals that coordinate heartbeats are not working correctly. The heart may beat too quickly, too slowly, too early, or...
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