Intra-aerial injection of thiopentone. All true except:-
High-Yield Explanation
If other measures fail then we can go for stellate ganglion block. Intra-aerial injection may cause acute, severe extremity ischaemia and gangrene. The degree of injury is related to the concentration of the drug. Treatment: Theneedle should not be removedand saline is administered the same needle so as to dilute the drug Administering heparinto prevent thrombosis aery dilators can be used Brachial plexus block or stellate ganglion blockto relieve vasospasm