Transversus Abdominis Plane Block: An Updated Review of Anatomy and Techniques

Figure 5

Subcostal approach of transversus abdominis plane (TAP) block. (a) The probe position and needle direction. The probe is parallel to the costal margin near the xiphoid. The needle is inserted in plane. (b) The corresponding ultrasound images. The TAP is between rectus abdominis and transversus abdominis, and the local anesthetic is deposited in this plane to cover the upper TAP plexus. White dashed line: the needle trajectory. Light blue area: the deposition sites of local anesthetic. RA: rectus abdominis; TA: transversus abdominis.

(a)

(b)