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Disease of the Coronary Arteries



The arteries which go off first from the line of the circulation to supply the prime organ of the circulation, the heart itself, with blood, are called the coronary arteries, because they encircle the heart, as it were, with a corona or crown. These arteries are sub ject to various forms of disease.

Dilatation.General dilatation of the vessel.

Obstruction. From narrowing of the vessels or deposit in them.

Degeneration. From fatty or osseous changes of structure. Aneurism. From aneurismal enlargement of the artery. Disease of the coronary arteries leads invariably to injury of the nutrition of the heart itself, and to degenerative changes in its structure.

Sudden death sometimes, but very rarely, occurs from quick arrest of the circulation of blood in the coronary circulation.