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Updated: May 13, 2025
This blood, from its dark colour, and from the many vibices and petechiæ, seems to have been venous blood; the quickness of the pulse, and the irregularity of the motion of the heart, are to be ascribed to debility of that part of the system; as the extravasation of blood originated from the defect of venous absorption.
Priapism may also develop spontaneously at a later period, and is then due to central irritation from extravasation into the substance of the cord, or to some reflex cause. It may also occur from simple concussion, as shown by a case reported by Le Gros Clark. Pressure on the cerebellum is supposed to account for cases of priapism observed in executions and suicides by hanging.
If the injury be of sufficient extent, considerable extravasation of blood will take place and the painfully swollen parts necessarily impair locomotion. In such instances lymph vessels participate in the disturbance, and the condition then becomes one wherein lymphangitis is the predominant disturbing element.
Depending upon the nature of the cause, there occurs a marked difference in the character and amount of swelling. Naturally, when much extravasation of serum and blood takes place, there is occasioned a fluctuating swelling which is usually less painful to the subject upon manipulation than is a dense inflammatory change without marked extravasation.
14. =Of the Stomach.= May be fatal from shock, from hæmorrhage, from extravasation of contents, or from inflammation. The danger is materially lessened by prompt surgical intervention. 15. =Of the Intestines.= May be fatal in the same way as those of the stomach. More dangerous in the small than in the large intestines.
The vomit consists at first of the food, then it becomes bile-stained, and later dark coffee-grounds in appearance, due to extravasation of blood from the over-distended vessels in the gastric mucous membrane. Death may occur from shock, convulsions, collapse, exhaustion, or from starvation on account of chronic inflammation of the gastro-intestinal mucous membrane. Post-Mortem Appearances.
"This is a very simple part of the operation," he explained, "a very simple part, indeed, and attended with absolutely no pain. A sponge, please. Thank you. Now the forceps. Yes." He snipped off a section of the bone. Ike winced "Ah, as I feared. There is considerable comminution and extravasation.
These medicines have co-operated with the malady. The disorder lies, not in the hemorrhage, but in the precedent extravasation that is a drain on the system; and how is the loss to be supplied? Why, by taking a little more nourishment than before; there is no other way; and probably Nature, left to herself, might have increased your appetite to meet the occasion.
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