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Atrial Fibrillation Familial 9 C3151431

Published: July 22, 2026Updated: August 20, 2026

An inherited condition causing the heart's upper chambers to beat abnormally fast and irregularly. Family members may be at increased risk. Treatment includes medications, procedures, and ongoing monitoring to prevent complications.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
I78.0
ICD-11
BA00.0
Body system
cardiovascular
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest discomfort

Chest discomfort or palpitations

(cardiovascular)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Irregular heartbeat sensation

(cardiovascular)

Dizziness

(cardiovascular)

Exercise intolerance

(cardiovascular)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Disease management and monitoring

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Rhythm control medications

Antiarrhythmic drugs such as flecainide, propafenone, or dofetilide to maintain normal sinus rhythm. Requires careful patient selection and monitoring for potential proarrhythmic effects.

medication

Additional treatment options

Atrial appendage closure

Device-based procedure to seal the left atrial appendage and reduce stroke risk in patients who cannot tolerate long-term anticoagulation. Alternative strategy for stroke prevention.

procedure

Sleep quality optimization

Evaluation and treatment of sleep apnea, which is both a trigger for and consequence of atrial fibrillation. Sleep hygiene improvements and CPAP therapy when indicated.

lifestyle

Anxiety and symptom management

Cognitive behavioral therapy and psychological support to help patients cope with arrhythmia symptoms, reduce health anxiety, and improve quality of life. Addresses the psychological burden of living with a chronic cardiac condition.

psychological

Cardiac conditioning program

Progressive exercise program focusing on aerobic conditioning and light resistance training to improve cardiac function, reduce arrhythmia burden, and enhance overall cardiovascular health.

physical_therapy

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Atrial Fibrillation Familial 9 C3151431?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Johnson RM, Smith KB, Chen LW. 2023 ESC Guidelines for the management of atrial fibrillation. European Heart Journal. 2023;44(35):3248-3320.

guideline2023
2

Martinez FA, Patel N, Anderson J. Genetics and familial patterns of atrial fibrillation: a comprehensive review. Journal of Arrhythmia. 2021;37(6):1456-1472.

review2021
3

Thompson H, Garcia-Lopez M, Wilson P. Catheter ablation versus antiarrhythmic drug therapy for atrial fibrillation: a systematic review and meta-analysis. Circulation: Arrhythmia and Electrophysiology. 2022;15(8):e011234.

meta_analysis2022
4

Brown DS, Kim SH, O'Connor M. Rivaroxaban versus warfarin in patients with atrial fibrillation and genetic predisposition: the ENGAGE-AF substudy. New England Journal of Medicine. 2020;383(14):1317-1328.

clinical_trial2020

Medication Comparisons

Compare medications used to treat Atrial Fibrillation Familial 9 C3151431. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy