In the infraclavicular block the local anaesthetic should be injected periarterially in the seven o’clock position (seeing the axillary artery as a clock face)
However, it is often necessary to reposition the needle tip in order to inject local anaesthetic periarterially from the two o’clock position around the artery to the ten o’clock position
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Local anaesthetic is injected periarterially. lateral fascicle (LF); medial fascicle (MF); posterior fascicle (PF); axillary artery (A); local anaesthetic; (LA); minor pectoral muscle (MiP)
