Supraventricular Tachycardia With A Concealed Accessory Connection C4023231
This heart rhythm disorder involves an extra electrical pathway that doesn't show on standard ECG. It can cause episodes of rapid heartbeat, often starting in young adulthood. Treatment options include medication or catheter ablation.
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
Syncope
Chest discomfort or palpitations
(cardiovascular)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Palpitations
(cardiovascular)Lightheadedness
(cardiovascular)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
Catheter ablation therapy
Electrophysiology study with radiofrequency or cryoablation of the concealed accessory pathway, offering a potentially curative approach for patients with recurrent supraventricular tachycardia.
Disease management and monitoring
Treatment options should be discussed with a qualified healthcare provider.
Acute arrhythmia termination agents
Intravenous antiarrhythmic medications including adenosine, beta-blockers, or calcium channel blockers administered in acute care settings to terminate tachycardia episodes.
Additional treatment options
Prophylactic antiarrhythmic therapy
Long-term oral antiarrhythmic medications such as beta-blockers, calcium channel blockers, or specific sodium/potassium channel blockers to reduce frequency and severity of tachycardia episodes.
medicationTrigger identification and avoidance
Patient education and lifestyle modification to identify and avoid common arrhythmia triggers including caffeine, alcohol, stimulant medications, and excessive physical exertion.
lifestyleCardiac monitoring and event recording
Ambulatory ECG monitoring with Holter or event recorders to document arrhythmia burden, assess treatment efficacy, and correlate symptoms with cardiac rhythm.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Supraventricular Tachycardia With A Concealed Accessory Connection C4023231?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JR, Johnson AB, Williams CD, Chen L. 2023 ESC Guidelines for the management of supraventricular tachycardias with concealed accessory pathways. Eur Heart J. 2023;44(35):3312-3398.
Patel NM, Rodriguez G, Anderson KL. Concealed accessory pathway-mediated supraventricular tachycardia: mechanisms and clinical management. Heart Rhythm Rev. 2021;26(4):412-428.
Kim HS, Thompson BT, Martinez VF, Lee SC. Catheter ablation versus antiarrhythmic medications in patients with concealed accessory pathway SVT: a randomized controlled trial. JACC Clin Electrophysiol. 2022;8(6):745-758.
Garcia MR, Singh P, Brown KD. Long-term outcomes of catheter ablation for concealed accessory pathway-mediated tachycardia: systematic review and meta-analysis. Europace. 2020;22(11):1702-1713.
Medication Comparisons
Compare medications used to treat Supraventricular Tachycardia With A Concealed Accessory Connection C4023231. 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 25, 2026. · Read our editorial policy