Licence: Public Domain Mark
Credit: General and local anaesthesia / by Aimé Paul Heineck. Source: Wellcome Collection.
Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.
17/136 (page 13)
![be used at night, without any danger from light or fire. And certainly, it is at night, that the largest number of obstetrical cases occur. b. Chloroform should be administered at the be- ginning of each pain, and discontinued as soon as the pain has passed, then resumed at beginning of next pain, discontinued at close of pain and so on. Xever should complete insensibility be obtained. The object sought in natural labor, is a mitigation of the pain, a semianaesthesia. Complete anaes- thesia would interfere with the progress of labor. c. Anaesthetics are not harmful to the child. Anaesthesia of the child is not produced. They are not harmful to the mother. [Lactation is not injuriously affected, nor is the child in any way injured. Buxton.] The almost complete im- munity enjoyed by the woman in childbirth, from the accidents of anaesthesia, is partly due to the following conditions: Marked hypertrophy of the left ventricle during pregnancy; recumbent pos- ture which patient naturally assumes during de- livery; action of the heart is aided by the alternate relaxations and contractions of the uterus; the tendency of anaesthetics is to produce anaemia of the brain. This anaemia is counteracted by the labor-pains which give rise to an engorgement of that organ.](https://iiif.wellcomecollection.org/image/b21057904_0017.jp2/full/800%2C/0/default.jpg)