perimyoendocarditis

perimyoendocarditis

(pĕr″ĭ-mī″ō-ĕn″dō-kăr-dī′tĭs) [″ + mys, muscle, + endon, within, + kardia, heart, + itis, inflammation]
Inflammation of the muscular wall of the heart, its endothelial lining, and the pericardium.