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By ULY CLINIC

Torsade’s De Pointes Ventricular Tachycardia (VT)

Introduction

Torsade’s De Pointes Ventricular Tachycardia (VT)
Torsade’s De Pointes Ventricular Tachycardia (VT)
Torsade’s De Pointes Ventricular Tachycardia (VT)

Has a twisting pattern to the QRS complexes and a prolonged QT interval in sinus rhythm It is usually due to a QT–prolonging drug, ± hypokalaemia

Sign and Symptoms

Diagnostic Criteria

Investigation

Treatment

  • Pharmacological

    Stop all QT-prolonging drugs. Correct serum potassium.

    • Magnesium sulphate 2 g I.V over 5–10 minutes If recurrent episodes after initial dose of magnesium sulphate:
    • Magnesium sulphate 2 g I.V over 24 hours Torsade’s complicating bradycardia: temporary pacing.
    • Adrenaline infusion to raise heart rate to > 100 per minute (if temporary pacing unavailable).

    Referral: All cases of wide QRS tachycardia, after resuscitation and stabilization
  • Non-Pharmacological

    • Cardioversion/defibrillation, as necessary.
    • Torsade’s complicating bradycardia: temporary pacing.

Prevention

Updated on,

5 Novemba 2020 12:23:30

References

    1.STG
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