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Arrhythmias in children with pulmonary stenosis
  1. P. B. Deverall1,
  2. N. K. Roberts2,
  3. J. Stark
  1. The Thoracic Unit, The Hospital for Sick Children, Great Ormond Street, London W.C.1


    Arrhythmias have been recorded in association with congenital pulmonary stenosis. Of six patients who had arrhythmias before operation, anatomical conduction defects were present in two and the arrhythmias persisted after operation. In four, the arrhythmic episodes have not been recorded after operation. No specific causative factors were evident in the pre-operative group.

    Acute and often fatal arrhythmias have occurred in the early post-operative period. High risk patients were those with cyanosis, high right ventricular pressure (in excess of 175 mm. Hg), and gross right ventricular hypertrophy. There is evidence to suggest that these arrhythmias develop in association with myocardial ischaemia.

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    • 1 Present address: Department of Surgery, University of Alabama in Birmingham, Medical Center, 1919 Seventh Avenue South, Birmingham, Alabama 35233, U.S.A.

    • 2 Present address: National Heart Hospital, Westmoreland Street, London W.1, England.

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