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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

The electrophysiologic effects of intravenous propranolol in the Wolff-Parkinson-White syndrome.

Fourteen patients with the Wolff-Parkinson-White (WPW) syndrome were studied by means of intracardiac stimulation techniques, before and after the intravenous administration of propranolol, 0.1 mg./Kg. There were no significant change, or only a slight increase, in the effective refractory periods of all parts of the re-entry tachycardia circuit studied, in either anterograde or retrograde directions. Re-entry tachycardia was initiated in nine patients in the control state, and in 10 patients after propranolol. The rate of re-entry atrioventricular node-accessory pathway tachycardia was decreased, but by only 10 per cent. The duration and outer limit of the tachycardia zone of atrial extrastimuli were not significantly decreased. Propranolol, by rapid intravenous infusion administration, is unlikely to be effective primary therapy for PSVT in the WPW syndrome.[1]


  1. The electrophysiologic effects of intravenous propranolol in the Wolff-Parkinson-White syndrome. Barrett, P.A., Jordan, J.L., Mandel, W.J., Yamaguchi, I., Laks, M.M. Am. Heart J. (1979) [Pubmed]
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