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[Electrocardiologic diagnosis and the prognostic significance of blocks occurring in ischemic heart disease].

A total of 280 patients with postinfarction and atherosclerotic cardiosclerosis and the bundle of His block were examined. The examination included recording of the ECG in 12 leads, the vectorcardiogram in the orthogonal system and after Frank and by the cube method, the cinecardiogram, polycardiogram, and radiocardiogram. It was established that bifascicular blocks of the left branch of the bundle of His are most unfavourable as regards the prognosis. The other types of blocks have no such effect and may rather be diagnostic signs indicating the localization and the extent of development of the necrotic or sclerotic process.