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Long Q-T Syndrome

Information on Long Q-T Syndrome

Definition

Long QT syndrome (LQTS) results from abnormalities within the heart's electrical system that can cause fast, irregular heartbeats. The rapid heartbeats can lead to fainting. In some cases, extremely erratic heartbeats can cause sudden death.

Risk factors

Several things can cause Long QT Syndrome, including:

  • Genetic mutation
  • Medical conditions like congenital heart defects
  • Medications

Symptoms

Many people with Long QT Syndrome don't experience any signs or symptoms. For those who do experience symptoms, these can include:

  • Fainting
  • Seizures
  • Sudden death

Diagnosis

Long QT Syndrome can be diagnosed through an electrocardiogram (ECG/EKG).

Treatment

Medical and lifestyle change are often used to treat Long QT Syndrome. Surgical procedures also can be used, including: