Transfusion of Human Blood (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from Transfusion of Human Blood

It is absolutely necessary that the public should understand - that the loss of nine or ten ounces of blood at a time is a wholly insignificant loss to the vigorous body of an adult, who possesses in all from fourteen to fifteen kilogrammes; that the trifling wound produced by the lancet on the vein of the arm gives no pain, and is always healed in forty-eight hours; finally, that the health of the person from whom the blood is taken is not impaired at any period by the operation, as the blood is entirely restored in one day after two good meals. Fifty years ago the practice of bleeding was undoubtedly abused in nearly all mala dies, and in consequence of its abuses it is now absolutely rejected where in many cases it might be beneficial. There is no reason why persons in perfect health should fear the loss of a few ounces of blood.

It is desirable that the public should know that though ten ounces of blood is no serious loss to a vigorous man, they yet are sufficient in most cases to resuscitate the dying man who has lost many kilo grammes. The fact is that the heart ceases to beat long before all the blood is expended; the hemorrhage ceases, but death ensues nevertheless.

The heart, just as is the case with a pump, requires the liquid to attain a certain height in order that it may act; a few ounces less than the minimum amount will be enough to stop it, whereas if these few ounces are supplied and the minimum surpassed the heart te commences its action.

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