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Physical Bases of the Electrohysterogram


INTERPRETATION of the electrical activity associated with the uterine contractions of labour has been beset with many difficulties. For the most part, the studies have concentrated on certain fast components1, and did not readily lend themselves to physiological interpretation. In this laboratory a uterine electrical complex bearing a one-to-one relationship to the uterine contractions of labour has been demonstrated, and the techniques described2.

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  1. 1

    Steer, C. M., and Hertsch, G. J., Amer. J. Obst. Gynec., 59, 25 (1950). Levy-Solal, E., Morin, P., and Zacouto, F., Presse Med., 60, 1335 (1952).

  2. 2

    Larks, S. D., Fed. Proc., 15, 376 (1956). Larks, S. D., Assali, N. S., Morton, D. G., and Selle, W. A., J. App. Physiol., 10, 493 (1957).

  3. 3

    Wilson, F. N., Macleod, A. G., and Barker, P. S., Univ of Mich. Studies, Scientific Series, 18, 58 (1933), as reproduced in the Appendix to D. Sodi-Pallares “New Bases of Electrocardiography” (C. V. Mosby Co., St. Louis, 1956).

  4. 4

    Van Der Kooi, M. W., Durrer, D., Van Dam, R. Th., and Van Der Tweel, L. H., Amer. Heart J., 51, 684 (1956).

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