Junctional ectopic tachycardia
Junctional Ectopic Tachycardia
Junctional ectopic tachycardia (JET) is a rare form of tachycardia that originates in the atrioventricular node (AV node) of the heart.
Pronunciation
Junctional ectopic tachycardia is pronounced as "juhnk-shuh-nl ek-top-ik tah-ki-kar-dee-uh".
Etymology
The term "junctional" refers to the junction of the atria and ventricles, where the AV node is located. "Ectopic" is derived from the Greek word "ektopos", meaning "out of place", and "tachycardia" comes from the Greek words "tachys", meaning "swift", and "kardia", meaning "heart".
Definition
Junctional ectopic tachycardia is a type of arrhythmia characterized by a rapid heart rate that originates from an ectopic focus in the AV node. This condition is most commonly seen in children and young adults, and is often associated with congenital heart disease.
Symptoms
Symptoms of JET may include palpitations, dizziness, shortness of breath, and chest pain. In severe cases, it can lead to cardiac arrest or heart failure.
Treatment
Treatment for JET typically involves medications to slow the heart rate, such as beta blockers or calcium channel blockers. In some cases, catheter ablation may be used to destroy the abnormal heart tissue causing the arrhythmia.
Related Terms
- Arrhythmia
- Tachycardia
- Atrioventricular node
- Palpitations
- Dizziness
- Shortness of breath
- Chest pain
- Cardiac arrest
- Heart failure
- Beta blockers
- Calcium channel blockers
- Catheter ablation
External links
- Medical encyclopedia article on Junctional ectopic tachycardia
- Wikipedia's article - Junctional ectopic tachycardia
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