T HE tetraethylammonium ion has been used quite extensively since 1946, when Acheson and Moe1' 2 demonstrated its action as a blocking agent, effective at both sympathetic and parasympathetic ganglions. Earlier, Burn and Dalei and Hunt,4 had described the actions of certain quaternary ammonium bases which included the tetraethylammonium ion.* This drug has been used therapeutically with varying...
