Patent interventricular septum (maladie de Roger).

Roger' in 1879 was the first to describe a congenital defect of the heart in which symptoms were absent, although definite, constant, and characteristic physical signs were present. An interesting feature of his description was that his observations were unsupported by an autopsy on the case that he described. However, so definite was the syndrome that Dupre", who verified a case at autopsy in 1891, proposed for it the name of ' maladie de Roger.' To this day very little has been added to Roger's description unless it has been by way of confirmation.