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Updated: May 22, 2025
He knew it all. So he kept his curse secret. He would pile up one more fortune, retain it this time, and then retire. But nature had balked. The account youth, reputation, money was overthrown at last. Came a day when in the paddock Dan Crimmins had seen that fleck of arterial blood on the handkerchief. Then Dan shared the secret. He commenced to doctor Garrison.
It was known before, that the pulmonary artery, the right ventricle, and the veins, contain the darker kind of blood, which was thence called venous. Having proved that the whole of the left side of the heart, during life, is full of scarlet arterial blood, Galen's next point was to inquire into the mode of communication between the arteries and veins.
Deprive it of its affinity for carbon, or substitute nitrogen or hydrogen in its place, and the air would quickly suffocate us. That changing of the dark venous blood in our lungs into the bright, red, arterial blood would instantly cease. Fancy the sensation of inhaling an odorless, non-poisonous atmosphere that would make one gasp for breath!
The auricles often beat many times more frequently than the ventricles, even two or three times as frequently, and, of course, these auricular contractions are not transmitted to the arterial system, and the radial pulse notes only the contractions of the ventricles. The phrase that is used to describe this nontransmission of the auricular stimulus to the ventricles is "heart block."
I believe that in the management of a case of glaucoma, whether it be chronic or chronic with sub-acute exacerbations, the greatest care with the aid of an expert clinician must be exercised to find out exactly what mean pressure of the arterial and venous system best conforms with the patient's general welfare, and I am bitterly opposed, and I think with right, to the sudden reduction of tensions, except in emergencies, without a perfect understanding of the facts I have ventured to indicate.
After explaining to him the structural possibilities of apoplexy as a legacy, as I have to you in the cases of insanity, I would continue: "Now by virtue of a possible ancestral weakness of your brain arteries this may happen: the arterial walls, because of habitual food in excess, may undergo a fatty, limy degeneration that will make a rupture possible, with death or paralysis of one-half or more of the body as the direct result; or the small arteries may have their walls so thickened as not to permit enough blood to circulate in order duly to nourish parts of the brain they supply; hence softening of the structure and more or less imbecility.
The arterial blood is necessary to all the functions of life, and it is no less connected with the irritability of the muscles and the sensibility of the nerves than with the performance of all the secretions. Eub. No one can be more convinced than I am of the very limited extent of our knowledge in chemical physiology, and when I say that, having been a disciple and friend of Dr.
This temperament is distinguished by a relatively large head and small body, pyriform face, high, wide forehead, and usually sharp features. There are three principal fluids which circulate through the body, viz., arterial blood, venous blood, and lymph. As the blood passes out from the heart through the arteries it is strongly charged with magnetism and is very strongly acid in quality.
It follows from this that, at each contraction of the heart, it is a mixture of arterial and venous blood which is sent in the two opposite directions at the same time, and that the organs receive some which has been used before, while the lungs have some returned to them which has been regenerated already.
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