Arrhythmia
Arrhythmia is when you have a problem with the rhythm of your heart – it could beat too fast, too slow or irregularly. It is caused by a problem with the electrical impulses in your heart.
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There are many different types of arrhythmia. A lot of people can live with the condition without much worry, but in some people it can be a dangerous condition.
There are a number of different types of heart rhythm problems, some of which include:
Atrial fibrillation
This is the most common type and it’s where your heart beats irregularly and often too quickly. It is more common in men over the age of 60 (although it can affect anyone) and can lead to a stroke in some cases.
Atrial flutter
This can develop suddenly and may come and go, but it can be a serious condition causing the heart to beat very fast. It’s similar to atrial fibrillation, but more common in people who have existing heart conditions.
Bradycardia
This is where your heart beats slower than normal and can be a problem if it means that you aren’t getting enough oxygen pumped around your body.
Sick sinus syndrome
If your sinus node, which sets your heart rate, isn’t working properly, your heart can slow down, and beat irregularly.
Heart block
Heart block is a blockage of the normal conductive mechanism in the heart and it can cause you to feel dizzy or faint.
Supraventricular tachycardia
This is where your heart beats too quickly, and it can start unexpectedly, and last for a short time, or a long time. It usually starts when you’re a child or teenager but can affect anyone.
Ventricular fibrillation
This is life-threatening – it causes a rapid, irregular heartbeat that means your heart can’t pump blood around your body, so your heart output drops and can cause you to lose consciousness and may cause cardiac arrest.
Ventricular tachycardia
This causes your heart to beat faster and is more common in people who have an existing heart condition. It can also lead to ventricular fibrillation.