The Practice of Medicine; Specific Infectious Diseases and Diseases of the Nervous System Volume 1

The Practice of Medicine; Specific Infectious Diseases and Diseases of the Nervous System Volume 1

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ... Dorsal surface of fingers, 6 mm. Tip of nose, 8 mm. Forearm, 9 mm. Tip of toes, cheeks, eyelids, 12 mm. Temple, 13 mm. Back of hands, 30 mm. Neck, 35 mm. Forearm, leg, back of foot, 40 mm. Back, 60 to 80 mm. Arm and thigh, 80 mm. In using the aesthesiometer care must be observed that pressure is exerted equally on the two points, and that they be made to touch the skin simultaneously. They are also more readily distinguished as separate points when side by side at right angles to the long axis of the body or limbs. Fig. 14.--Carroll's Jesthesiometer. Another very useful form of aesthesiometer is one the arms of which are provided with two branches, these being sharp and blunted respectively. It is to be used in determining the patient's ability to recognize sharp and blunted points. Rumpf has suggested also that tactile sense be tested by writing on the skin with a hard, pointed instrument, the patient's eyes being closed. The more acute sensation is, the smaller are the characters that may be recognized. On the finger-tips the healthy patient should be able to read letters one-fifth of an inch in height. To test sense of contact. a piece of cotton may be drawn lightly over the skin. To test sense of locality, touch any desired portion of the body and direct the patient to touch the corresponding part on the opposite side with an index finger. To test temperature sense, use test-tubes containing hot and cold water. Ordinarily, differences of temperature of three degrees Fahrenheit are appreciable within the limits of 32 F. and 104 F. Pressure sense is tested by determining the differences in weight which can be detected by the skin. Weighted balls are used for this purpose. The pain sense is tested by pricking the parts with a needle or by the...
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Product details

  • Paperback | 434 pages
  • 189 x 246 x 22mm | 771g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236608941
  • 9781236608949