Torsades de Pointes

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Torsades de Pointes

• form of ventricular tachycardia
• ECG abnormality
•  

Causes

long QT interval

• hypokalaemia
• severe bradycardia
• genetic predisposition

Treatment

• IV magnesium sulphate
• beta-blocker
• atrial / ventricular pacing

(anti-arrhythmics may further prolong QT interval)

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