- A dictionary of medical eponyms

Keith-Flack node

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This is the sino-atrial node of the heart, often called the pacemaker of the heart. Keith and his assistant Martin William Flack described it in 1906.


  • A. Keith, M. W. Flack:
    The Auriculo-Ventricular Bundle of the Human Heart.
    Lancet, London, 1906, 2: 359. The form and nature of the muscular connections between the primary divisions of the vertebrate heart.
    Journal of Anatomy, London, 1906-1907, 41: 172-189.
    Reprinted in Willius & Keys: Cardiac classics, 1941, pp. 747-762.

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