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Highland Hospital / Departments - Centers / Cardiology / Conditions We Treat / Supraventricular Tachycardia SVT

Supraventricular Tachycardia (SVT)

SVT VideoType of arrhythmia (irregular heart rhythm) occurring in the top chambers (atria) of the heart.

Generally benign. Can last seconds to years.

Encompasses a variety of rhythms including – PACs, PSVT, Accessory tract tachycardias, AVNRT, AVRT, atrial tachycardia, Atrial Fibrillation, and Atrial Flutter.

Symptoms

  • Commonly cause palpitations
  • Can cause lightheadedness, dizziness, and rarely cause syncope
  • Generally the degree of symptoms is related to the length of sympotms

Diagnostic Tests

Treatment

  • Monitoring or watchful waiting
  • Beta-blockers or calcium channel blockers
  • Anti-arrhythmic medications
  • Ablation (radiofrequency ablation)

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