What are the symptoms of AVNRT?

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What are the symptoms of AVNRT?

AVNRT happens in episodes, meaning the rapid heartbeat comes and goes. A person with the condition can have symptoms for years before getting a diagnosis.

Common signs include:

  • Discomfort in the neck or chest.
  • Dizziness.
  • Fast heartbeat (140 to 280 beats per minute).
  • Palpitations.
  • Polyuria, excessive amounts of urine (pee).
  • Shortness of breath.

In rare, severe cases, AVNRT can cause more serious symptoms and complications such as:

  • Chest pain.
  • Confusion.
  • Fainting (syncope).
  • Low blood pressure (hypotension).
  • Shock.

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