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Supraventricular Tachycardia - Topic Overview

How is it treated?

Some SVTs don't cause symptoms, and you may not need treatment. If you do have symptoms, your doctor probably will recommend treatment.

To treat sudden episodes of SVT, your doctor may:

  • Prescribe a medicine to take when the SVT occurs.
  • Show you how you can slow your heart rate on your own. You may be able to do this by coughing, gagging, or putting your face in ice-cold water. These are called vagal maneuvers.

If these treatments don't work, you may have to go to your doctor's office or the emergency room. You may get a fast-acting medicine such as adenosine or verapamil. If the SVT is serious, you may have electrical cardioversion, which uses an electrical current to reset the heart rhythm.

If you often have episodes of SVT, you may need to:

  • Take medicine every day to prevent the episodes or slow your heart rate.
  • Try catheter ablation. This procedure destroys a tiny part of the heart that causes the problem.

What can you do at home to prevent SVT?

You can try some things at home to help prevent SVT by avoiding the things that trigger it.

  • Limit or do not drink alcohol.
  • Limit caffeine. Even decaffeinated teas or coffee can cause SVT in some people.
  • Don't smoke.
  • Avoid over-the-counter decongestants, herbal remedies, diet pills, and "pep" pills.
  • Don't use illegal drugs, such as cocaine, ecstasy, or methamphetamine.

To find your triggers, keep a diary of your heart rate and your symptoms. You might find, for example, that smoking or caffeine causes your SVT episodes.

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WebMD Medical Reference from Healthwise

Last Updated: August 09, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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