Emergency Medicine

FEMORAL NERVE BLOCK

490 Practical Procedures

3 Withdraw slightly if paraesthesiae are elicited down the leg, indicating

proximity of the needle to the femoral nerve.

(i) Aspirate to exclude vessel puncture, and inject 10 mL of the local

anaesthetic.

4 Alternatively, a characteristic loss of resistance may be felt as the needle

passes through the fascia lata then fascia iliaca:

(i) Aspirate to exclude vessel puncture.

Figure 18.6 Femoral nerve block.