FIGURE 35-1. Transducer position and needle insertion using an in-plane technique to block the femoral nerve at the femoral crease. General Considerations The ultrasound-guided technique of femoral nerve blockade differs…

Ultrasound-Guided Saphenous Nerve Block FIGURE 38-1. Needle insertion to block the saphenous nerve at the level of the mid thigh (A) or below the knee (B). General Considerations The saphenous…

FIGURE 34-1. Ultrasound-guided wrist block. Transducer and needle positions for (A) Median nerve block, (B) Ulnar nerve block, (C) Radial nerve block. General Considerations The wrist block is an effective…

FIGURE 36-1. Needle insertion for the fascia iliaca block. The blue dot indicates the position of the femoral artery. General Considerations Fascia iliaca block is a low-tech alternative to a…

Local Anesthetics: Clinical Pharmacology and Rational Selection Jeff Gadsden Local anesthetics (LAs) prevent or relieve pain by interrupting nerve conduction. They bind to specific receptor sites on the sodium (Na+)…