Supraventricular Tachycardia With A Manifest Accessory Pathway C4023227
This type of SVT has an extra electrical pathway visible on ECG. It can cause sudden episodes of rapid heartbeat and may be associated with fainting. Treatment includes medications and potentially 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 pain
Syncope
Chest discomfort or palpitations
(cardiovascular)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Palpitations
(cardiovascular)Visual disturbances
(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
Targeted elimination of the manifest accessory pathway using electrophysiological mapping to precisely locate the pathway and deliver ablative energy. This is potentially curative for the underlying condition.
Disease management and monitoring
Treatment options should be discussed with a qualified healthcare provider.
Antiarrhythmic drug therapy
Chronic suppression using Vaughan-Williams class IC or III agents to reduce pathway conduction properties and prevent reentrant tachycardia episodes.
Additional treatment options
Anticoagulation assessment
Evaluation for anticoagulation therapy based on CHA2DS2-VASc score, particularly important if atrial fibrillation develops alongside the accessory pathway condition.
medicationActivity and trigger modification
Personalized guidance on avoiding known precipitants including excessive stimulant intake, extreme temperatures, and dehydration. Appropriate activity clearance for exercise based on arrhythmia control.
lifestyleElectrophysiology study follow-up
Periodic evaluation including ECG and potentially repeat EP study to assess pathway characteristics, treatment response, and detect any changes in conduction properties.
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 Manifest Accessory Pathway C4023227?
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.
Page RL, Joglar JA, Caldwell MA, et al. 2015 ACC/AHA/HRS Guideline for the Management of Adult Patients With Supraventricular Tachycardia. Circulation. 2016;133(14):e506-e574.
Almahameed SZ, Littmann L. Managing manifest accessory pathways in patients with Wolff-Parkinson-White syndrome. J Cardiovasc Electrophysiol. 2019;30(11):2349-2364.
Specter P, Rillig A, Mathew S, et al. Long-term outcome after catheter ablation of manifest accessory pathways: results from the Prospective Ablation Registry. Heart Rhythm. 2021;18(7):1142-1149.
Chen J, Hoff PI, Rossvoll O, et al. Efficacy and safety of radiofrequency catheter ablation versus antiarrhythmic drugs for accessory pathway-mediated tachycardia: a meta-analysis of randomized controlled trials. Europace. 2020;22(10):1532-1541.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy