Med. [mod.L. f. Gr. καρδία + -ITIS.] Inflammation of the muscular substance of the heart.
1783. Cullen, Wks. (1827), II. 69. Carditis and Pericarditis, or the inflammations of the heart and Pericardium.
18369. Todd, Cycl. Anat., II. 637/1. True carditis seems to be generally admitted to be rare.