All true about accidental intra aerial injection of Thiopentone except:-
The accidental intra aerial injection of drug due to wrongly placed cannula M/N 1. Leave the cannula in situ 2. Intra aerial injection of heparin 3. Lidocaine, papaverine phenoxybenzamine injected 4. Stellate ganglion block
Immediate intense vasoconstriction and excruciating pain
Cause is precipitations of thiopental crystals in the aerial vassals
To relieve pain we have to immediately remove the misplaced aerial cannula.
Sympathectomy of the upper extremity produced by Stellate ganglion block may relieve vasoconstriction.
Intravenous Anesthetic Agents