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Explanation
Atrial fibrillation is a heart condition characterized by an irregular and often abnormally fast heart rate. This means that the heart beats in an irregular pattern, which can lead to inefficient blood flow and potential complications. It is not another term for a heart attack, a condition where blood flow to the heart is blocked. It also does not cause the heart rate to be abnormally slow or result in an enlarged heart.

Explanation
The normal heart rate when a person is resting should be between 60 and 100 beats per minute. This range is considered healthy and indicates that the heart is functioning properly. However, it is important to note that individual variations exist, and some people may have a slightly higher or lower resting heart rate within this range.

Explanation
The symptoms of atrial fibrillation can vary, but they can include having a fast and irregular heartbeat (usually over 100 beats per minute), tiredness, breathlessness, dizziness, and chest pain. However, it is also possible for there to be no symptoms at all.

Explanation
When left untreated, atrial fibrillation greatly increases the risk of having a stroke and having AF for a long time can weaken the heart, which can lead to heart failure.

Explanation
If you think you have an irregular heart beat, it is important to make an appointment with your GP. They are trained to assess and diagnose medical conditions, including irregular heart beats. They will do a pulse check to determine if your heartbeat is irregular and may conduct further tests if necessary to identify the cause and provide appropriate treatment. Ignoring the symptom or assuming it won't cause harm is not advisable, as it could potentially be a sign of a serious underlying condition. Going to A&E or calling 999 may be necessary in emergency situations, but making an appointment with your GP is the recommended first step.