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Supraventricular Tachycardia

Medically reviewed by Drugs.com. Last updated on Feb 4, 2024.

What is supraventricular tachycardia (SVT)?

SVT is a condition that causes your heart to beat much faster than it should. SVT is a type of abnormal heart rhythm, called an arrhythmia, that starts in the upper part of your heart. It may last from a few seconds or hours to several days.

Heart Chambers

What increases my risk for SVT?

What are the signs and symptoms of SVT?

How is SVT diagnosed?

Your healthcare provider will ask about other health conditions and your symptoms. He or she will also listen to your heart and lungs. You may need any of the following tests:

How is SVT treated?

Treatment will depend on what is causing your SVT and your symptoms. You may not need treatment or you may need any of the following:

Treatment options

The following list of medications are in some way related to or used in the treatment of this condition.

View more treatment options

How do I check my heart rate (pulse)?

Your healthcare provider will show you how to check your pulse, and how often to check it. Write down how fast your pulse is and if it feels regular or like it is skipping beats. Also write down the activity you were doing if your heart rate is above 100. Bring the information with you to your follow-up appointment.

How to Take a Pulse

How can I manage or prevent SVT?

Call your local emergency number (911 in the US) or have someone call if:

When should I seek immediate care?

When should I call my doctor?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Learn more about Supraventricular Tachycardia

Treatment options

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Symptoms and treatments

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.