Paroxysmal Supraventricular Tachycardia (PSVT): Symptoms & Signs

Medically Reviewed on 9/8/2021

Paroxysmal supraventricular tachycardia (PSVT) is a type of abnormal heart rhythm (arrythmia) that leads to a regular but rapid heartbeat that starts and stops suddenly. There are different types of PSVT depending upon the specific signaling pathways involved.

Signs and symptoms of PSVT can include a

Other associated signs and symptoms can include

Cause of paroxysmal supraventricular tachycardia (PSVT)

Abnormal signaling in the upper chamber of the heart that regulates the heartbeat causes PSVT.

Other paroxysmal supraventricular tachycardia symptoms

  • Chest Pain
  • Fainting (Syncope) or Near Fainting
  • Fatigue
  • Feeling of Fluttering or Pounding in Your Chest (Palpitations)
  • Lightheadedness or Dizziness
  • Pounding Sensation in the Neck
  • Shortness of Breath
  • Sweating
  • Very Fast (Rapid) Heartbeat
  • Weakness


In the U.S., 1 in every 4 deaths is caused by heart disease. See Answer

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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.