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Tricuspid valve prolapse: A common occurrence in the click‐murmur syndrome

Isolated mitral valve prolapse (MVP) may represent one end of a spectrum of disease involving dysfunction of multiple cardiac valves. Eighty‐nine consecutive patients with MVP diagnosed by two‐dimensional echocardiography (2‐D echo) were prospectively studied specifically to determine the incidence of tricuspid valve prolapse (TVP) and its clinical correlations. Criteria for prolapse of the atrioventricular (A‐V) valves by 2‐D echo included extension of the valve leaflets behind an imaginary line defining the valve annulus.