2). Figure 2 Gross Appearance of the Heart in Case 1, Showing Left Side of the Heart, with the Perforation Visible in the Anterior Superior Aspect of the Interventricular Septum. *Performed by Dr. W.

Of these 6 had infarction of the interventricular septum, and 1 did not. Of 5 patients exhibiting the pattern of Roesler and Dressler, 1 recovered. Those who died all had involvement of the septum.