[The inheritance of the ventricular pre-excitation syndrome].

Medico-genetic studies including preparation of the family pedigree, interviews, examinations, electro- and echocardiography were carried out in the families of 75 patients with pre-excitation syndrome (PES). Of these, 35 patients presented with Wolff-Parkinson-White (WPW) syndrome and 40 with Clerc-Lévy-Cristesco (CLC) syndrome. The studies made in possible to define the autosomal-dominant type of the syndrome or PES inheritance and to diagnose for the first time WPW syndrome in 3, PES in 1, CLC syndrome in 32 and CLC phenomenon in 89 persons out of 233 relatives of the first and second degree kinship.