Ethylum nitricum

Natural History.
      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 anesthetics experimented on by J. Y. Simpson and later by B. W. Richardson. It has produced a few definite symptoms.

Relations.
      Compare: Glon., Amyl-n.

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

Face.
      Extreme suffusion of face.

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