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Updated: June 26, 2025
It was pierced by a very small but very deep wound, which had divided the carotid artery. The instrument with which the injury had been inflicted lay upon the carpet beside him. It was one of those small sealing-wax knives to be found on old-fashioned writing-tables, with an ivory handle and a stiff blade. It was part of the fittings of the professor's own desk.
This was only natural, for the great waterway formed the colony's carotid artery, supplying the life-blood of all New France so far as communications were concerned. From seigneury to seigneury men traversed it in canoes or bateaux in summer, and over its frozen surface they drove by carriole during the long winters.
One that I removed from a two-year-old Galloway bullock, weighed six pounds and a quarter. A considerable portion of the skin that covered it was excised and included in the above weight. It comprehended one of the parotid glands, and I had to divide the trunk of the carotid artery and jugular vein.
We have had cases under observation in which the treatment referred to has been followed by such an amount of improvement that the patient has been able to resume a laborious occupation for one or more years. Christopher Heath found that improvement followed ligation of the left common carotid in aneurysm of the transverse part of the aortic arch.
He was shot through the hat and clothing and once through the muscles of the shoulder and neck within half inch of the carotid artery, lay in a hospital, and had secondary hemorrhage. At another time he survived weeks of typhoid fever.
Carrel grafted fragments of vessels that had been in cold storage for several days upon the course of a vessel of a living animal of the same species; in 1907 he grafted upon the abdominal aorta of a cat a segment of the jugular vein of a dog removed 7 days previously, also a segment of the carotid of a dog removed 20 days before; the circulation was reestablished normally; these experiments have, however, been criticized by Fleig, who thinks that the grafted fragments were dead and served merely as supports and directors for the regeneration of the vessels upon which they were set.
For forceps Orme had a pair of bullet molds, and these he cleansed as best he could by dipping them into the hot water. "Cowles," he said, in a matter-of-fact voice, "I'm going after it. But now I tell you one thing frankly, it's life or death, and if you move your head it may mean death at once. That iron's lying against the big carotid artery.
The short downward curve from the apex means relaxation of the auricle. The second lesser rise, called the carotid wave, is believed to be due to the impact of the sudden expansion of the carotid artery. The drop of the wave tracing after this cartoid rise is due to the auricular diastole.
In one case the tongue measured 6 1/4 inches from the angle of the mouth about the sides and tip to the opposite angle, necessitating amputation of the protruding portion. Carnochan reports a case in which hypertrophy of the tongue was reduced to nearly the normal size by first tying the external carotid, and six weeks later the common carotid artery.
Neither are there valves in the jugular veins for the purpose of guarding against apoplexy, as some have said; because in sleep the head is more apt to be influenced by the contents of the carotid arteries.
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