What is SQTS?

Short QT Syndrome (SQTS) is a rhythm abnormality in which the Q-T interval is much shorter than normal.

The Q-T interval is a measurement of the time it takes the heart to recharge (repolarize) after contracting. 

In this article, you will learn more about:

  • How is SQTS Diagnosed?  
  • Risk Factors
  • Causes of SQTS
  • Symptoms of SQTS
  • Treatments for SQTS
  • Additional Resources
Download or view our patient education handout on SQTS.

How is SQTS Diagnosed?

Dr. Yoo will use a combination of
a physical exam, past medical history, family history
and testing, which may include:

Risk Factors include:

  • past family history of SQTS

Causes of SQTS include:

  • Short QT Syndrome mainly occurs in people who have a family history of SQTS as it is a genetic disorder. 

Symptoms of SQTS

Although sometimes symptoms
don’t present themselves, they
include:

  • palpitations
  • shortness of breath (SOB)
  • fatigue
  • fainting (syncope)
  • dizziness
  • atrial fibrillation
  • heart attack
  • ventricular tachycardia (VT)

Treatments for SQTS

Treatment for Short QT Syndrome may include:

  • an implantable cardioverter defibrillator (ICD)
  • medication that regulates the rhythm abnormality or regulates arrhythmias

Additional Resources