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Supraventricular tachycardia

Also called: SVT
A faster than normal heart rate beginning above the heart's two lower chambers.
  • Treatable by a medical professional
  • Requires a medical diagnosis
  • Lab tests or imaging often required
Supraventricular tachycardia is a rapid heartbeat that develops when the normal electrical impulses of the heart are disrupted.
There may be symptoms like heart palpitations, or there may be no symptoms at all.
Certain maneuvers, medications, an electrical shock to the heart (cardioversion), and catheter-based procedures (ablation) can help slow the heart.
Common: More than 200,000 US cases per year
Consult a doctor for medical advice Sources: Mayo Clinic and others. Learn more
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Supraventricular tachycardia (SVT) is a rapid heart rate usually caused when electrical impulses starting at or above the heart's AV node are out of sync.
Symptoms of supraventricular tachycardia in children may include: Heart palpitations — an uncomfortable sensation caused by the heart beating hard and fast.