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Is supraventricular tachycardia serious?

Supraventricular tachycardia can vary in severity. This depends on the rate and duration of a rapid heart rate and whether you have other heart conditions. Some possible complications may include: the formation of blood clots that can cause a stroke or heart attack; the inability of your heart to pump enough blood (heart failure), and; sudden death - some of the less common forms of supraventricular tachycardia can transform into very unstable heart rhythms.

FAQ Frequently asked questions

What is supraventricular tachycardia?

Supraventricular tachycardia (SVT) refers to a heart condition which has episodes of abnormally fast heart rhythms. These are caused by abnormal electrical impulses, which originate in the areas of the heart above the ventricles.

What are the symptoms of supraventricular tachycardia?

The common signs and symptoms of supraventricular tachycardia include palpitations, chest discomfort, anxiety, light-headedness, pounding in the neck, and short breath.

What causes supraventricular tachycardia?

Supraventricular tachycardia is caused by abnormal pathways within the electrical system of the heart. These pathways may be present from birth, or result from heart damage.

Who can get supraventricular tachycardia?

Supraventricular tachycardia can affect anyone, but you are at higher risk if you are born with a heart defect or have an underlying heart condition. Conditions that strain or damage the heart can increase the risk of supraventricular tachycardia. …

How is supraventricular tachycardia diagnosed?

Supraventricular tachycardia is diagnosed by tests that can monitor the electrical system of the heart. These include: electrocardiography (ECG) - which evaluates the rhythm of the heart and its response to stress; a Holter monitor - measures …

How is supraventricular tachycardia treated?

During an episode of supraventricular tachycardia, immediate treatment is aimed at returning the heart to its normal rhythm. This can be achieved by vagal maneuvers (such as massaging the carotid sinus in your neck, applying cold packs to the …

Can supraventricular tachycardia be cured?

In some cases, supraventricular tachycardia can be cured, particularly if treated using catheter ablation.

What can be done to reduce the risk of supraventricular tachycardia?

The following strategies can help reduce the frequency of supraventricular tachycardia episodes: a healthy diet; exercising and keeping a healthy body weight; quitting smoking; limiting alcohol and caffeine; controlling …

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About this article

Author: Dr Bow Tauro PhD, BSc (Hons)
First answered: 17 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.3 out of 5
Votes: 377 (Click smiley face below to rate)
Category: Palpitations

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