Koch, Walter

Koch,

Walter, German surgeon, 1880–.
Koch node - the mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system. Synonym(s): sinuatrial node
Koch triangle - a triangular area of the wall of the right atrium of the heart that marks the situation of the atrioventricular node.
References in periodicals archive ?
It describes the nature and identification of the etiological agent, Salmonella; two famous outbreaks (the Plague of Athens and the final illness and death of Alexander the Great); the deaths from typhoid fever of major figures in history; the roles of Thomas Willis, William Wood Gerhard, Pierre-Charles-Alexandre Louis, Robert Koch, Walter Reed, William Budd, and others; the diagnostic test developed by Fernand Widal and Albert GrEnbaum; the story of oTyphoid Maryo; the work of Almroth Wright and others in vaccination; typhoid in the American army; and typhoid in the 21st century.