Torsades de pointes
Background
- Most commonly occurs in pts w/ prolonged QT due to heart diseaes or meds:
- Procainamide
- Phenothiazine
- TCAs
- Qunidine
- Disopyramide
Treatment
- Magnesium
- 1-2gm IV over 1-2 min; then 1-2gm/hr gtt
- Overdrive pacing
- Goal HR 90-120
- Isoproterenol
- 2-8 mcg/min
See Also
Source
- Tintinalli