Short QT

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Background

Etiology

Clinical features

  • Syncope
  • Cardiac arrest
  • Palpitations
  • ECG findings:
    • QTc < 360 (males) or <370 (females)
    • In congenital short QT, also have:
      • Lack of normal QT changes with HR
      • Peaked T waves (especially in precordial leads)
      • Short or absent ST segments
      • +/- early repolarization

Management

  • Evaluate for and treat underlying causes
  • Congenital short QT: refer to cardiology, may need ICD

References

Authors

Claire