aetiology

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The causes of torsades des pointes include:

  • myocardial infarction
  • congenital:
    • autosomal dominant (Romano-Ward syndrome)
    • autosomal recessive (Lange-Nielsen syndrome)
  • drugs:
    • disopyramide
    • procainamide
    • amiodarone
    • sotalol
    • phenothiazine
    • ketanserin
    • non-sedative antihistamines e.g. terfenadine
  • electolyte disturbance e.g. hypokalaemia

Last reviewed 01/2018

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