Torsade de Pointes

Hallmark of this rhythm is the upward and downward deflection of the QRS complexes around the baseline. The term Torsade de Pointes means "twisting about the points."

Consider it V-tach if it doesn’t respond to antiarrythmic therapy or treatments

Caused by:

• drugs which lengthen the QT interval such as quinidine
• electrolyte imbalances, particularly hypokalemia
• myocardial ischemia

Treatment:

• Synchronized cardioversion is indicated when the patient is unstable.
• IV magnesium
• IV Potassium to correct an electrolyte imbalance
• Overdrive pacing

For more information about Torsade, please click here and visit the emedicine site for an article by Dr. Bessette.

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