Junctional ectopic tachycardia

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Junctional ectopic tachycardia
ECG of Junctional ectopic tachycardia
Synonyms	JET
Pronounce	N/A
Specialty	N/A
Symptoms	Palpitations, dizziness, syncope, heart failure
Complications	Cardiomyopathy, heart failure
Onset	Infancy or childhood
Duration	Can be chronic
Types	N/A
Causes	Post-surgical, idiopathic
Risks	Congenital heart disease, cardiac surgery
Diagnosis	Electrocardiogram (ECG), Holter monitor
Differential diagnosis	Atrial tachycardia, ventricular tachycardia
Prevention	Avoidance of triggers, careful monitoring post-surgery
Treatment	Medications, catheter ablation, pacemaker
Medication	Beta blockers, amiodarone, flecainide
Prognosis	Variable, depends on underlying cause and response to treatment
Frequency	Rare
Deaths	N/A

ECG showing Junctional Ectopic Tachycardia

Junctional Ectopic Tachycardia (JET) is a rare form of tachycardia that originates in the atrioventricular node (AV node) of the heart. It is most commonly seen in children and young adults, and is often associated with heart surgery.

Symptoms

The symptoms of Junctional Ectopic Tachycardia can vary greatly from person to person. Some people may experience no symptoms at all, while others may experience a rapid heart rate, palpitations, shortness of breath, or chest pain. In severe cases, JET can lead to cardiac arrest or heart failure.

Causes

Junctional Ectopic Tachycardia is often caused by damage to the AV node, which can occur during heart surgery. Other potential causes include congenital heart disease, myocarditis, and certain medications.

Diagnosis

Diagnosis of JET is typically made through an electrocardiogram (ECG), which can show the characteristic heart rhythm associated with this condition. Other diagnostic tests may include a Holter monitor, event monitor, or stress test.

Treatment

Treatment for Junctional Ectopic Tachycardia typically involves medications to control the heart rate and rhythm. In some cases, a procedure called catheter ablation may be used to treat the condition.

Prognosis

The prognosis for individuals with JET varies depending on the severity of the condition and the individual's overall health. With appropriate treatment, many people with JET are able to live normal, healthy lives.

See also

• Tachycardia
• Atrioventricular node
• Electrocardiogram

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