Junctional tachycardia

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Obesity, Sleep & Internal medicine
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Junctional tachycardia
Synonyms	Nodal tachycardia
Pronounce	N/A
Specialty	N/A
Symptoms	Palpitations, dizziness, syncope, chest pain
Complications	Heart failure, myocardial infarction
Onset	Any age, more common in children and young adults
Duration	Can be paroxysmal or chronic
Types	N/A
Causes	Digitalis toxicity, myocardial ischemia, congenital heart disease
Risks	Heart surgery, electrolyte imbalance, hyperthyroidism
Diagnosis	Electrocardiogram (ECG), Holter monitor
Differential diagnosis	Atrial tachycardia, ventricular tachycardia, sinus tachycardia
Prevention	N/A
Treatment	Vagal maneuvers, medications (e.g., beta blockers, calcium channel blockers), catheter ablation
Medication	N/A
Prognosis	Generally good with treatment, but depends on underlying cause
Frequency	Rare
Deaths	N/A

Double tachycardia with captures

Junctional tachycardia is a type of tachycardia that originates from the atrioventricular node or AV node. This condition is characterized by a rapid heart rate, typically between 100 and 200 beats per minute.

Causes

Junctional tachycardia can be caused by a variety of factors, including heart disease, hypoxia, electrolyte imbalance, and certain medications. It can also occur as a result of surgery or trauma to the heart.

Symptoms

The symptoms of junctional tachycardia can vary depending on the severity of the condition. Some individuals may not experience any symptoms, while others may experience palpitations, dizziness, shortness of breath, or chest pain.

Diagnosis

Junctional tachycardia is typically diagnosed through an electrocardiogram (ECG), which can detect the abnormal heart rhythm. Other diagnostic tests may include a Holter monitor, event monitor, or stress test.

Treatment

The treatment for junctional tachycardia depends on the underlying cause of the condition. Treatment options may include medication, cardioversion, or catheter ablation. In some cases, a pacemaker may be required to regulate the heart's rhythm.

Prognosis

The prognosis for individuals with junctional tachycardia can vary depending on the severity of the condition and the individual's overall health. With appropriate treatment, many individuals can lead normal, healthy lives.

See also

• Tachycardia
• Atrioventricular node
• Electrocardiogram
• Pacemaker