SUFFOCATION.
The term suffocation is applied in a special sense to the act and condition of preventing access of air in other ways than by pressure on the neck, as by pressure on the chest, by obstruction at the mouth or nose, by obstruction in the air-passages or on them from neighboring organs, by irrespirable gases, etc.
This article will consider all of these except drowning and irrespirable gases, which are treated of elsewhere by other writers.
Smothering is generally understood to mean the act and effect of stopping the mouth and nose.
Causes.
External Causes.—Overlaying is a frequent cause of suffocation in infants, which in such cases have usually occupied the same bed with one or both parents. In some cases the parents have been drunk or otherwise unable to prevent the injury, and the infant may also be partly stupefied with the alcohol derived from its mother’s milk. Infants are also sometimes overlaid by domestic animals. Again, they have been suffocated by being pressed too closely to the mother’s breast, or by covering with bedclothes, shawls, etc. Noble[883] attributes some cases of asphyxia in the new-born to anæmia of the brain from pressure on the skull by forceps, etc., and recommends as treatment for this condition hanging the child head downward, so that the blood may gravitate to the brain (Cases 12 and 30).
Infants are sometimes smothered for mercenary purposes.
Persons have been suffocated by the pressure of a crowd. Pressure on the chest combined with forcible closure of the mouth and nose was the method of Burke and Williams, in the notorious burking murders (Case 58). The close application of a hand, cloth, or plaster over nose and mouth is of itself sufficient to cause suffocation, especially in children and feeble persons. Pressure on the abdomen crowds up the diaphragm and interferes with breathing. It is very likely that no external mark will be found in cases of pressure on the chest and abdomen, but the lungs will be marbled and emphysematous.
Taking plaster casts of the face and neck without inserting tubes in the nostrils has caused death in some cases. Suffocation often follows the falling of walls, houses, banks of earth, piles of coal or corn or wheat. One may fall into and be imbedded in some mobile substance as coal, wheat, corn, quicksand, or nightsoil, and be suffocated. Infants have been destroyed[884] by burying them in manure, ashes, bran, etc. In these cases there is not only the entrance of the foreign body into the air-passages, but the pressure of the mass against the chest and abdomen.
Internal Causes.—The air-passages may be closed up by foreign bodies within them, or within adjoining organs, especially the œsophagus. A great variety of substances in one of these two ways has caused suffocation: mud, cotton, rags, corn, meat, beans, pepper, potato skins, the fang of a tooth, artificial teeth, buckles, shells, flint, buttons, screws, crusts of bread, bones, fruit, stones, heads of grass, coins, slate pencils, nuts, nut-shells, shot, penholders, worms, fish, etc. (see Cases 6 and 55). Taylor[885] states that there were eighty-one deaths in one year in England and Wales from food in the air-passages.