Torsades de pointes

Revision as of 06:13, 26 March 2012 by Jswartz (talk | contribs)

Background

  • Most commonly occurs in pts w/ prolonged QT due to heart diseaes or meds:
    • Procainamide
    • Phenothiazine
    • TCAs
    • Qunidine
    • Disopyramide

Treatment

  1. Magnesium
    1. 1-2gm IV over 1-2 min; then 1-2gm/hr gtt
  2. Overdrive pacing
    1. Goal HR 90-120
  3. Isoproterenol
    1. 2-8 mcg/min

See Also

Source

  • Tintinalli