Ethylum Nitricum.

Nitric Ether. C2 H5 NO3 (not to be confounded with nitrous ether, C2 H5 NO2, which is the principal ingredient in Sweet Spirit of Nitre).

Clinical.-Heart, hypertrophy of. Vertigo.

Characteristics.-This is one of the anaesthetics experimented on by J. Y. Simpson and later by B. W. Richardson. It has produced a few definite symptoms.

Relations.-Compare: Glon., Amyl. nit.


2. Head.-A tendency to pitch forward.-Sense of fulness in vessels of brain.-Much headache and giddiness for some time after its employment.

6. Face.-Extreme suffusion of face.

19. Heart.-Excessive over-action of the heart.-Rapid and painful respiration.