Junctional Ectopic Tachycardia C0039235
A rare heart rhythm disorder, most common in young children after cardiac surgery. It causes dangerously fast heart rates originating from the heart's AV node. Treatment includes medications and procedures to control heart rate.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- severe
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Syncope
Tachycardia
Chest discomfort or palpitations
(cardiovascular)Significant symptoms that substantially affect daily functioning.
Frequency: Varies
Palpitations
(cardiovascular)Dizziness
(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
Antiarrhythmic medication therapy
Pharmacological management using antiarrhythmic agents to control heart rate and prevent arrhythmia episodes. Treatment selection depends on patient age, hemodynamics, and underlying etiology.
Disease management and monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Radiofrequency catheter ablation
Minimally invasive procedure targeting abnormal cardiac tissue responsible for the ectopic rhythm. Creates controlled lesions to interrupt the arrhythmia circuit.
Additional treatment options
Intensive care hemodynamic monitoring
Continuous cardiac monitoring in acute settings with invasive blood pressure monitoring and frequent electrolyte assessment. Allows rapid detection and intervention for hemodynamic instability.
monitoringTemporary cardiac pacing
Transvenous or epicardial pacing to override the fast ectopic rhythm and establish stable heart rate control. Used as bridge therapy while medications take effect or until ablation can be performed.
procedureElectrolyte optimization
Maintenance of optimal serum magnesium and potassium levels to reduce arrhythmia susceptibility. Magnesium supplementation particularly important in post-operative settings.
medicationWhen 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 Junctional Ectopic Tachycardia C0039235?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Junctional Ectopic Tachycardia C0039235. 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