Koch triangle

Koch tri·an·gle

(kōk trī'ang-gĕl) A triangular area of the wall of the right atrium of the heart, which marks the approximate situation of the atrioventricular node.

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 nodeKoch triangle - a triangular area of the wall of the right atrium of the heart that marks the situation of the atrioventricular node.