top of page
By ULY CLINIC
Torsade’s De Pointes Ventricular Tachycardia (VT)
Introduction
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
bottom of page