Wenckebach Bundle
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
The Wenckebach bundle was described by Wenckebach in 1907 as a special muscle bundle in the human heart, originating from the superior vena cava and extending through the terminal groove to both atria. Wenckebach attributed to it the role of a conductor connecting the site of cardiac excitation with the atria and associated its damage with the so-called sino-auricular heart block he described. Subsequent research could not confirm the existence of this bundle, and its role in the development of sino-auricular block has also been denied.
Encyclopedia entry (1928–1936)
Wenckebach Bundle (Wenckebach), described by W. in 1907 as a special muscle bundle in the human heart, beginning at the superior vena cava and extending through the terminal groove to both atria. To this bundle, W. attributed the role of a conductor connecting the site of cardiac excitation with the atria, and associated its damage with the appearance of the so-called sino-auricular heart block he described (see). Further research (Koch, Monckeberg) could not confirm the existence of this bundle. Its role in the development of sino-auricular block has also been denied (Lewis).
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“Wenckebach Bundle.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/wenckebach-bundle/