Studies in cardiac pathology . Fig. 79.—Patulous but Competent Foramen Ovale. (University of PennsylvaniaMuseum.). Fig. so.—P.\tulous but Inxompetent 0\ ale. (Pennsylvania Hospital, Xo. 175. CONGENITAL LESIONS 219 ANOMALIES OF THE SEMILUNAR VALVES These anomalies may occur in otherwise normal hearts andhave little clinical significance, or they may be associated withcoarction of the aorta. Theremin has reported an instance inwhich both the aortic and pulmonic valves were bicuspid. Therehas been considerable discussion as to whether the condition wasmost frequently the result of fault
Studies in cardiac pathology . Fig. 79.—Patulous but Competent Foramen Ovale. (University of PennsylvaniaMuseum.). Fig. so.—P.\tulous but Inxompetent 0\ ale. (Pennsylvania Hospital, Xo. 175. CONGENITAL LESIONS 219 ANOMALIES OF THE SEMILUNAR VALVES These anomalies may occur in otherwise normal hearts andhave little clinical significance, or they may be associated withcoarction of the aorta. Theremin has reported an instance inwhich both the aortic and pulmonic valves were bicuspid. Therehas been considerable discussion as to whether the condition wasmost frequently the result of faulty development or of antenatalendocarditis. Fusion of the leaflets resulting from post-natalinfections is distinguished by the presence behind the fusedcusps of a high raphe formed by their united adjacent portions,by the absence of compensatory changes in this and in the fusedcusp, and by marked thickening, calcification, and other evidenceof inflammator} action (Abbott). This anomaly may be attended by no pathologic results, butnot infrequently acute endocarditis, arteriosclerotic change, orfunctional insu
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