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Supraventricular Tachycardia (cont.)

When to Seek Medical Care

PSVT is generally not life threatening unless individuals have other heart disorders. Call a health care professional if any of the following conditions occur:

  • The episode of rapid heartbeat or palpitations is the first, and the symptoms last longer than a few seconds to a few minutes.
  • The person has had previous episodes of PSVT, and the current episode does not go away with vagal maneuvers (coughing, deep breathing, or muscle tensing described below).

The person with the symptoms should not drive themselves to the hospital. Call 911 for emergency help if needed. The following conditions or symptoms warrant a visit to the nearest hospital emergency department:

  • Rapid heartbeat and feel dizzy or faint
  • Rapid heartbeat with chest pain
  • Feel short of breath with rapid heartbeat

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Read What Your Physician is Reading on Medscape

Paroxysmal Supraventricular Tachycardia »

Supraventricular tachycardia (SVT), a common clinical condition, is any tachyarrhythmia that requires only atrial and/or atrioventricular (AV) nodal tissue for its initiation and maintenance.

Read More on Medscape Reference »


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