Torsades de pointes and early afterdepolarizations

  title={Torsades de pointes and early afterdepolarizations},
  author={Paul F. Cranefield and Ronald S. Aronson},
  journal={Cardiovascular Drugs and Therapy},
It is suggested that torsades de pointes may be only one of a group of arrhythmias that are characterized by being pause induced or bradycardia induced. A distinction is made between the cause of the “twisting of the points” and the cause of the action potentials that initiate and sustain the tachycardia. It is pointed out that torsades de pointes and other pause-induced arrhythmias share many features with rhythmic activity arising from early afterdepolarizations. Both are seen after pauses or… CONTINUE READING