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If the systolic pressure is low and the diastolic very low, or when the heart is rapid, circulation through the coronary vessels of the heart is more or less imperfect. Any increase in arterial pressure will therefore help the coronary circulation.

In this way, it may be said, that the right ventricle is made for the sake of the lungs, and for the transmission of the blood through them, not for their nutrition; for it were unreasonable to suppose that the lungs should require so much more copious a supply of nutriment, and that of so much purer and more spirituous a nature as coming immediately from the ventricle of the heart, that either the brain, with its peculiarly pure substance, or the eyes, with their lustrous and truly admirable structure, or the flesh of the heart itself, which is more suitably nourished by the coronary artery.

The "cannon bone" answers to the middle bone of the five metacarpal bones, which support the palm of the hand in ourselves. The "pastern," "coronary," and "coffin" bones of veterinarians answer to the joints of our middle fingers, while the hoof is simply a greatly enlarged and thickened nail.

A term applied to vessels and nerves which encircle parts, as the coronary arteries of the heart. Like a crow's beak; thus the coronoid process of the ulna. A cartilage of the larynx resembling a seal ring in shape. One of the humors of the eye; a double-convex body situated in the front part of the eyeball. Cumulative.

Real heart pains frequently occur without any valvular lesion, and also when necropsies have shown that there has been no sclerosis of the coronary vessels.

Said he liked to sleep on. Well, he's got his wish." "What did he die of, sir?" asked the policeman. "It's impossible to say without an examination," the doctor answered. "It looks like a stroke, but I'm pretty sure it isn't. It might be a coronary attack, but I happen to know his blood pressure was normal, and his heart sound. He called in to see me only a week ago, and I examined him thoroughly.

The cause of an irregularly acting heart in an adult may be organic, as in the various forms of myocarditis, in broken compensation of valvular disease, Stokes-Adams disease, coronary disease, auricular fibrillation, auricular flutter, cerebral disease, and toxemias from various kinds of serious organic disease.

He had lectured a doctor about the nature of illness: "Disease is merely the result of a difference in vibrations." He had taken credit when his father survived a coronary bypass operation. He had taken credit when disciples got decent jobs.

He could fight to the effusion of blood that came from within an inch of the coronary veins of his heart, for the property of a cow, that, next day, he would divide among the poor; and he was often heard to say, that, if Henderland had been among "the Lowdens," he would have been a gay courtier, a supporter of the throne, and a friend of the poor, if not the king's almoner himself.

While disease of the coronary arteries may occur without general arteriosclerosis, it is so frequently associated with it that it is necessary to give a brief description of the general disease.