Long Qt Syndrome 10 C2678484
A genetic heart rhythm disorder that can cause dangerously fast heartbeats. It increases risk of fainting and sudden cardiac events. Management includes medication and avoiding triggers.
Key facts at a glance
- ICD-10
- I45.81
- 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
Torsades de pointes
Palpitations
Sudden cardiac arrest
Chest discomfort or palpitations
(cardiovascular)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Beta-blocker therapy
Beta-blockers are the cornerstone of Long QT Syndrome 10 treatment, reducing sympathetic stimulation of the heart and decreasing the risk of life-threatening arrhythmias.
Disease management and monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Implantable cardioverter-defibrillator (ICD)
For patients at high risk of cardiac arrest or those who experience syncope despite beta-blocker therapy, an ICD can provide life-saving intervention by terminating ventricular arrhythmias.
Additional treatment options
Trigger avoidance program
Structured education and avoidance of known LQTS triggers including sudden auditory stimuli, emotional stress, and strenuous competitive athletics to minimize arrhythmia risk.
lifestyleLeft cardiac sympathetic denervation
Surgical removal of the lower portion of the left stellate ganglion to reduce sympathetic innervation to the heart, decreasing arrhythmia susceptibility in refractory cases.
surgicalContinuous cardiac monitoring
Regular ECG monitoring and periodic Holter studies to assess QT interval progression and detect silent arrhythmias in Long QT Syndrome 10 patients.
monitoringWhen 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.
What is Long Qt Syndrome 10 C2678484?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Long Qt Syndrome 10 C2678484. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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