Figure 2.
Ultrasonic typical doughnut image. Hypo-echoic 20 mL local anesthetic typically surrounded the sciatic nerve at mid-thigh (arrows). VL: Vastus lateralis; BF: Biceps femoris; N: Nerve
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.