Familial atrial fibrillation

Familial atrial fibrillation is a heart condition characterized by chaotic electrical activity in the heart's upper chambers (the atria), which leads to a fast and irregular heartbeat (arrhythmia). This condition increases the risk of stroke and heart failure.

Symptoms

The symptoms of familial atrial fibrillation can include palpitations, shortness of breath, fatigue, and dizziness. However, some affected individuals do not experience any symptoms.

Causes

Familial atrial fibrillation is a genetic form of atrial fibrillation, a common heart disorder. Mutations in several genes have been found to cause the condition, but most cases are caused by mutations in the KCNQ1 gene.

Diagnosis

The diagnosis of familial atrial fibrillation is based on the presence of atrial fibrillation in two or more family members. Genetic testing can be used to identify the specific mutation causing the condition in a family.

Treatment

Treatment for familial atrial fibrillation can include medications to control the heart rate or rhythm, procedures to destroy the abnormal heart tissue causing the arrhythmia, and lifestyle changes to reduce the risk of complications.

Prognosis

The prognosis for individuals with familial atrial fibrillation varies. Some people live normal lives with few symptoms, while others may experience serious complications such as stroke or heart failure.

See also

• Atrial fibrillation
• KCNQ1
• Heart failure
• Stroke

References

Familial atrial fibrillation Resources
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