Better Health Channel
  • Long QT syndrome is a heart rhythm condition.
  • Fainting can be a symptom of long QT syndrome.
  • See your doctor about long QT syndrome if you faint for no apparent reason, or during or after exercise or emotional excitement.
  • Long QT syndrome is usually inherited, although it can be acquired after taking certain medication.
  • If you have long QT syndrome, always tell your doctor before they give you a prescription. 

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Reviewed on: 03-06-2019