Leyiters to the Editor

To the Editor: Dr. L. S. Gettes has alerted me of the fact that three figures appearing in our review article devoted to the subject of ventricular tachycardia (Circulation 47: 1364, 1973) appear to be adaptations of figures which he had published earlier (Am J Cardiol 28: 526, 1971). These figures (in our article Nos. 1, 7 and 8) were diagramatic simplifications of certain electrophysiologic concepts. One might rationalize that these figures were based on what is now a commonly held viewpoint and furthermore, that they do not represent anyone's painfully acquired data. Of course, such attempts at justification are mere frivolous sophistry. It is best to hasten and apologize to Dr. Gettes for inexcusable oversights which were exclusively my fault. If there is any comfort to be gained from this transgression, perhaps it resides in the realization that next to promulgation of truth, there is some virtue in the public recantation of