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Supraventricular Tachycardia (cont.)

Supraventricular Tachycardia (SVT, PSVT) Symptoms

PSVT can cause a number of symptoms, depending on a person's overall health and how fast their heart is beating. People with heart damage or other coexisting medical problems experience a greater degree of discomfort and complications than those who are healthy. Some people have no symptoms at all.

Symptoms can come on suddenly and may go away by themselves; they can last a few minutes or as long as 1-2 days. The rapid beating of the heart during PSVT can make the heart a less effective pump so that the body organs do not receive enough blood to work normally. The following symptoms are typical with a rapid pulse of 140-250 beats per minute:

  • Palpitations (the sensation of the heart pounding in the chest)
  • Dizziness, light-headedness (near-faint), or fainting
  • Shortness of breath
  • Anxiety
  • Chest pain or tightness

In infants and very young children, symptoms are sometimes difficult to discern. However, those infants with irritability, poor feeding, sweating, poor coloration of skin, and who exhibit a pulse rate of 200-250 beats per minute may have PSVT.

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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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