Medical Electricity, Rantgen Rays and Radium; With a Practical Chapter on Phototherapy

Medical Electricity, Rantgen Rays and Radium; With a Practical Chapter on Phototherapy

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...traversed. Strength of Diathcrmic Current and Size of Electrodes for Bipolar Application (After N agelschinidt) Electrodes. M illiampcres. Hand to hand............................. 350 to 500 Foot to foot............................... 500 to 700 2 cm. (1%; inch) diameter................... 150 to 200 4 cm. (11%; inch) diameter.................. 300 to 400 9 cm. (31% inch) diameter.................. 900 to 1000 10 by 12 cm. (4 by 8 inches)................. about 2000 If the skin becomes too hot before the treatment is finished the current may be turned off and the electrodes dipped in cold water. The patient's sensations should not be taken as the sole guide, because sonictimes a degree of tolerance is established to currents strong enough to blister the skin. The duration of the application usually varies from three or four to ten or fifteen minutes. The application requires expert attention every moment of the time, and should not be entrusted to a nurse or an untrained physician. There is the danger of overheating the surface tissues, and faintness or collapse from the passage of too strong a current through the heart or the brain. Diathermy in Circulatory Diseases.--The conditions in which the treatment is chiefly useful are classified by Nagelschmidt as high arterial tension, relaxation of peripheral vessels, cardiac hypertrophy, cardiac dilatation. Anomalies of Rhythm and Frequency.--A large electrode is applied between the shoulder-blades and another over the front of the chest. This stimulates the heart-muscle and relaxes spasm in the coronary arteries, and is useful in cases of myocardial degeneration, some valvular lesions, and angina pectoris. Aneurysm of the aorta shows subjective improvement, and a case of coronary...show more

Product details

  • Paperback | 602 pages
  • 189 x 246 x 31mm | 1,061g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236983246
  • 9781236983244