What is your risk of atrial fibrillation?

Atrial fibrillation (also known as AF or AFib) is the most common type of arrhythmia (irregular heartbeat or heart rhythm). The most common symptom of AF is heart palpitations (an irregular and rapid heartbeat, typically experienced as a rapid thumping in the chest). Often, the cause of AF is not known. However, some people may be more at risk of atrial fibrillation. For example, the risk of atrial fibrillation increases as we age.

Find out your risk of atrial fibrillation in the next 10 years by answering the questions below and clicking "Calculate."

This tool is intended for people aged 45 to 95 who have not been diagnosed with atrial fibrillation. It uses a formula developed by the National Heart, Lung, and Blood Institute based on data from the Framingham Heart Study to estimate your risk of atrial fibrillation.



1
  Male Female
2
  45-49 years
50-54 years
55-59 years
60-64 years
65-69 years
70-74 years
75-79 years
80-84 years
85 years or older
  Imperial Metric
3
 
4
 
5 Systolic blood pressure is the top number in a blood pressure reading. For example, if your blood pressure is 120/80 mmHg, your systolic blood pressure is 120.
  less than 160 mmHg
160 mmHg or higher
I don't know
6
  No Yes
7 PR interval is a measure of your heart's electrical activity that measures how long it takes for an electrical signal to move from one part of the heart to another. It is measured in milliseconds (msec).
  less than 160 msec
160-199 msec
200 msec or higher
I don't know
8
  I don't have a heart murmur
45-54 years
55-64 years
65-74 years
75-84 years
85 years or older
9
  I don't have heart failure
45-54 years
55-64 years
65-74 years
75 years or older
 
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