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Atrial fibrillation can lead to stroke

Atrial fibrillation, also known as A-Fib or AF, affects around 526,000 Swedes. About 399,000 have received a diagnosis, while an estimated 127,000 remain undiagnosed.

Undetected atrial fibrillation is one of the most common causes of stroke but there are treatments available. That’s why it’s important to learn more about risk factors, symptoms and how you can check your pulse to detect irregular heartbeats.

Learn about the different types of atrial fibrillation, its symptoms and how a doctor might establish a diagnosis.

What is atrial fibrillation?

The risk of atrial fibrillation increases if you are over 65 years of age. Be extra cautious if you also have high blood pressure, diabetes, heart failure or other heart diseases, and if you have had a stroke or Transient Ischemic Attack (TIA) in the past.

As a first step to detecting irregular heartbeats, you can check your pulse with two fingers twice a day for two weeks.

The Swedish Heart and Lung Association, Riksförbundet HjärtLung, is a patient association that supports research, lifestyle activities and education to raise awareness of heart and lung disease. You can help by becoming a member or by donating.

How to feel your pulse

A first step to detecting atrial fibrillation is to check your pulse regularly.

Here’s how to do it:

  • Turn your hand up, palm up.
  • Press lightly with your index and middle fingers on your wrist, just below your thumb. This is where the artery is located.
  • Count the beats for 30 seconds, note if you heart is beating out of rhythm.
  • Write down the date, time, and number of strokes.
  • If you do this twice a day for two weeks, you can find out if you have an irregular pulse.

Download our pdf, it contains a table to help you remember to feel your pulse in the morning and evening. All you have to do is mark whether your pulse is regular or irregular in the table.

Download pdf

If you detect an irregular heartbeat, you may be at risk of atrial fibrillation. If this is the case, contact your health centre and make an appointment with a health care professional for more tests.

Find your nearest health center (in Swedish)

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