(Science: chemical) a synthetic nondepolarising blocking drug. The actions of gallamine triethiodide are similar to those of tubocurarine, but this agent blocks the cardiac vagus and may cause sinus tachycardia and, occasionally, hypertension and increased cardiac output. It should be used cautiously in patients at risk from increased heart rate but may be preferred for patients with bradycardia.
Pharmacological action: neuromuscular nondepolarising agents, nicotinic antagonists.
chemical name: Ethanaminium, 2,2′,2”-(1,2,3-benzenetriyltris(oxy))tris(N,N,N-triethyl-, triiodide