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Scn5a Related Cardiac Rhythm Disorder Cn380647

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

SCN5A-related cardiac rhythm disorders affect the heart's electrical system, causing abnormal heartbeats. They can occur at any age and are managed with medications, devices, or procedures depending on severity.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Syncope

!

Palpitations

Chest discomfort or palpitations

(cardiovascular)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Shortness of breath

(cardiovascular)

Dizziness

(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

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Implantable Cardioverter-Defibrillator

Device implantation for patients at risk of life-threatening arrhythmias, providing continuous monitoring and automatic defibrillation when dangerous rhythms are detected.

procedure
3

Antiarrhythmic Pharmacotherapy

Sodium channel blockers and other antiarrhythmic agents such as flecainide, propafenone, or beta-blockers to control heart rhythm and prevent dangerous tachycardia episodes.

medication

Additional treatment options

Catheter Ablation

Minimally invasive procedure using radiofrequency or cryotherapy to ablate abnormal cardiac tissue responsible for generating dangerous arrhythmias.

procedure

Ambulatory Cardiac Monitoring

Long-term ECG monitoring via Holter monitor or implantable loop recorder to detect asymptomatic arrhythmias, assess burden, and guide treatment decisions.

monitoring

Activity Restriction and Trigger Avoidance

Structured activity modifications including avoidance of competitive sports, extreme temperatures, and known arrhythmia triggers to reduce event risk.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Scn5a Related Cardiac Rhythm Disorder Cn380647?

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

Wilde AA, Amin CW, Asimaki A. Brugada Syndrome and SCN5A Mutations: EHRA/HRS Expert Consensus Statement. Heart Rhythm. 2022.

guideline2022View source →
2

Bezzina CR, Lahrouchi N, Priori SG. Genetics of sudden cardiac death: Focus on SCN5A-related disorders. Eur Heart J. 2021.

review2021View source →
3

Mizusawa Y, Horie M, Schulze-Bahr E. Clinical and Genetic Characteristics of SCN5A Mutation Carriers with Conduction Disease. JACC Clin Electrophysiol. 2020.

clinical_trial2020View source →
4

Chen YH, Wu SJ, Li X. Sodium channel blockers in SCN5A-related arrhythmias: A systematic review and meta-analysis. Ann Noninvasive Electrocardiol. 2023.

meta_analysis2023View source →

Medication Comparisons

Compare medications used to treat Scn5a Related Cardiac Rhythm Disorder Cn380647. 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