On snake poison : its action and its antidote / by A. Mueller.

  • Mueller, A.
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: On snake poison : its action and its antidote / by A. Mueller. Source: Wellcome Collection.

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    motion, even after the muscles of the neck have become paretic and the head is held up with difficulty 01 sinks to one side. With birds, according to Feoktistow, the reverse is the case. The wings are usually first attacked, or paresis comes on in wings and legs at the same time. B —Action on the Medulla Oblongata. a.—The Vaso-Motor Centre. Whilst the voluntary muscles are thus brought under the influence of the poison, symptoms denoting the invasion of the oblongata are rapidly developing. The first of these is the deadly pallor and ashy hue of the cold skin, evidently due to the blood receding from the surface, a condition not unlike that obtaining in extreme anaemia. As persons in this state complain of an agonising feeling about the heart and of deadly faintness, a paretic condition of the heart suggests itself as the most obvious cause, more especially when taken in conjunction with the small, frequent, and compressible pulse. But though the heart muscle is no doubt participating in the general paresis, the condition of the surface of the body is in reality one of amBmia. The blood, even at this early stage, begins to accumulate in the large veins of the abdomen, which expand gradually in consequence of the diminishing