Licence: Public Domain Mark
Credit: A manual of medical diagnosis / by A.W. Barclay. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
123/642 (page 99)
![:!these circumstances, taken along with the diftused :;jhai\acter of the pain, render it less liable to be con- [Ifounded with that attending the passage of gall-stones; wwhile the knowledge of previous constipation or slug- Cgishuess of bowels excludes the possibility of diarrhoea. Un patients thus affected, a blue line is generally found liklong the edges of the gums, which when well marked iiiS very conclusive. Something similar is often seen, when there is no evidence of lead-poisoning, among the ddower orders, whose teeth are encrusted with tartar; ifiand a red line is believed by some to exist very con- ;SBtantIy in cases of phthisis. These cannot lead to i^mistakes if the lead line has been carefully observed I'iin marked cases ; and the presence of other symptoms U'oan alone justify us in calling the case one of colica i llPictonum. ] In a more advanced form of the disease pai’alysis is j oobserved, especially affecting the extensor muscles of j t'the fingers and wrists ; sometimes limited to those of joone or two fingers, especially the second, third and Ifffourth, but more generally implicating all the ex- Ij'tensors. This affection, commonly known as “drop- :|\'wrist,” may be met with occasionally without the i'i prior appearance of colic ; this is rare, however, and i-is chiefly seen in cases in which the lead has been l introduced exceedingly slowly. In its last stage.s, the 'general health also suflers, and there is sometimes K considerable emaciation ; the poison tells upon the jbbraiu, producing epileptic seizures, &c., and a well- I marked condition of general cachexia is established. Division II.—Entozoa. I A class of disorders is next to be noticed, which, like the pi’eceding, owe their existence to the presence of a cause which is wholly adventitious, and is cognizable to the senses, but differs from them in this respect t that, in ])lace of depending on the presence of foreign animal or vegetable matter, or of some mineral poison, i t their symptoms are due to the presence of a parasitic H 2](https://iiif.wellcomecollection.org/image/b24989812_0123.jp2/full/800%2C/0/default.jpg)
