On the Temperature in Diseases: A Manual of Medical Thermometry

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New Sydenham Society, 1871 - Body temperature - 468 pages
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Page 390 - On the other hand, relatively mild cases, exhibit only a fever of short duration, although there are sometimes considerable elevations of temperature (which contrast with the quick pulse), and the course is generally discontinuous. Recovery does not take place by decided crisis, but generally happens, rather with remittent defervescence (lysis); and the pulse then begins to quicken just as the temperature has become normal or nearly so. Here and there cases occur, which after...
Page 154 - ... it is, perhaps, not too much to affirm, that the integrity of certain parts of the central nervous apparatus is more necessary for the regulation of animal heat, than that of any other parts of the body.
Page 2 - ... upper arm against the chest. In this way the 'instrument is kept in a firm position, and after the lapse of five or ten minutes the quicksilver partakes of the same degree of warmth as the surrounding parts, and its expansion can easily be read on the scale of the instrument. "A normal temperature does not necessarily indicate health; but all those whose temperature either exceeds or falls short of the normal range, are unhealthy.
Page 162 - Secondly, that the venous blood returning from an inflamed limb, though less warm than the focus of inflammation, is warmer than the arterial blood supplied to the limb; and "Thirdly, that the venous blood returning from an inflamed limb is warmer than the corresponding current on the opposite side of the body. " Unquestionably, therefore, the inflammatory process involves a local production of heat.
Page 190 - January 12th. from an unwonted state of the central nervous system, by Wunderlich, Virchow, and many others. He specially drew attention to the researches of Tscheschichin, who looked on fever as the result of a morbidly increased activity of the spinal centres in consequence of a weakening or paralysis of the moderating portions of the brain, by which a number of chemical processes are increased to an extent which is never attained under normal conditions of the functions of the brain. He observed...
Page 429 - ... marked its course. Little is known as to the range of temperature in cancer. Wunderlich makes the following observations upon the subject. ' It is a peculiarity of cancer cases that elevated temperatures are comparatively rare, and that the temperature generally maintains itself on a normal, or even subnormal, plane, which, however, by no means precludes the occurrence of high temperatures through intercurrent complications, or at the close of the disease. But fever temperatures of long duration...
Page 1 - ... There are two well-ascertained facts, which not only justify us in endeavouring to determine the temperature of the body in diseases, and render the use of the thermometer both a duty and a valuable aid to diagnosis, but form the basis of all our investigations. The first fact is the constancy of the temperature in healthy persons, or, in other words, that healthy human beings of every age and condition, in all places and in all circumstances, and exposed to all kinds of influences, provided...
Page 150 - Brown-Se"quard then discovered that complete division of one lateral half of the spinal cord in the dorsal region was followed by a rise of temperature in the hinder extremity of the corresponding side, and...
Page 144 - Respiration, namely the taking in of Oxygen and the giving out of Carbonic acid, is regulated by the entirely physical laws of the diffusion of gases, &c.
Page 96 - ... the body is modified by changes in the skin and by changes in the surrounding media ; and these two are mutually dependent. It has long been known that cold contracts and heat dilates the small arteries of the skin, respectively raising and lowering the arterial tension, and thus modifying the amount of blood in the cutaneous capillaries. But modifications in the supply of blood to the skin must alter / the amount of heat diffused by the body to surrounding substances ; and so we should expect...

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