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Atrial fibrillation is the most common heart rhythm disorder and thus, having some relatives with the same arrhythmia is not uncommon. As you get older it is more likely your atrial fibrillation is related to comorbidities rather than a genetic condition. Everybody has a higher risk for developing atrial fibrillation with increasing age.
However it is observed that in some families the risk of atrial fibrillation is higher, even at a young age or without any other medical conditions. This is called familial atrial fibrillation. In some rare cases it is shown that changes in some genes can be responsible, but in most cases the cause is still unclear. More research is needed to clarify the genetic factors associated with familial atrial fibrillation.
If you have relatives with atrial fibrillation and are worried you may develop the condition, you should discuss this with your doctor. Your doctor can identify risk factors for atrial fibrillation and can help you treat them.
FREQUENTLY ASKED QUESTIONS
Is atrial fibrillation hereditary?
Yes, AFib can have a hereditary component. Studies show that people with a family history of atrial fibrillation are at a higher risk of developing the condition, though lifestyle and other health factors also play a significant role.
Are there specific genetic factors associated with AFib?
Genetic mutations in certain genes have been linked to an increased risk of AFib. Familial atrial fibrillation is more common in individuals with a strong family history of heart rhythm disorders.
Can lifestyle factors override genetic predisposition to AFib?
Yes, while genetics play a role, lifestyle factors such as maintaining a healthy weight, controlling blood pressure, avoiding excessive alcohol, and regular exercise can help reduce the risk of developing AFib.
Is AFib always inherited?
No, AFib is not always inherited. It can occur due to other factors like aging, high blood pressure, or heart disease, even in individuals without a family history.
Should I get tested for genetic predisposition to AFib?
Genetic testing may be helpful for individuals with a strong family history of AFib or other heart rhythm disorders. Consult a healthcare provider for personalized advice.
Is atrial fibrillation more common in families with hereditary heart arrhythmias?
Yes, hereditary heart arrhythmias can increase the likelihood of AFib appearing in multiple family members, often alongside other cardiac conditions.
