Manual of pathological anatomy . extreme we have seen a case of enormous dilatation of both ventricleswithout hypertrophy, in which the apex of the left ventricle wasthinned to the size of a sixpence (St. Greorges Museum, 1842-62).Partial aneurisms are not necessarily solitary, but there may betwo or three, which may, as they progress, to the apex of the left ventricle we find its base, and, thirdin order, the septum ventxiculorum liable to be thus affected; inthe latter case the bulging is towards the right side of the that there is a point
Manual of pathological anatomy . extreme we have seen a case of enormous dilatation of both ventricleswithout hypertrophy, in which the apex of the left ventricle wasthinned to the size of a sixpence (St. Greorges Museum, 1842-62).Partial aneurisms are not necessarily solitary, but there may betwo or three, which may, as they progress, to the apex of the left ventricle we find its base, and, thirdin order, the septum ventxiculorum liable to be thus affected; inthe latter case the bulging is towards the right side of the that there is a point in the upper part of the septum,at which normally there is no muscular tissue to maintain the • Report of the Pathological Society, 1848 9, p. 89. ANEUmSM OF THE HEART. 343 separation of tlie two cavities, we should be led to expect theoccurrence of aneurism more frequently at this point; but inordinary circumstances the balance of the circulation suffices toprevent this result. When this form of aneurismal dilatation Fig. Aneuiism of the left ventricle, formed by dilatation of a circular portion of the anteriorwall, in a girl ag-ed nineteen. The pouch was filled with a laminated coagulum; its month was narrow, round, andsmooth, and its parietes consisting apparently of endo- and pericardium, with smalldeposits of a soft yellowish substance between them. The disease had probably com-menced eighteeen months before death. (St, Bartholomews Museum. Series xii. No. 53.) extends to such a degree that an opening and communicationbetween the ventricles results, we have to deal with what has termed the varicose aneurism; it is a conditionanalogous to a congenital state, not unfrequently met with, inwhich the ventricular septum is more or less defective. The contents of the cardiac aneurisms vary; we find in themfluid blood, more or less decolorized, sanguineous coagula, orlaminated fibrinous deposits, resembling those found in arterialaneurisms, and presenting similar
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