Before inserting the needle through the skin, the hose and the needle should be filled with saline or local anaesthetic
Just after insertion of the needle 1/2 ml of fluid should be flushed through the hose and needle to make sure that no air is contained in the “system”
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The video shows the blurring effect of injected air during the performance of an infraclavicular nerve block A = axillary artery; MaP = major pectoral muscle; MiP = minor pectoral muscle
