Peripheral Nerve Block Introduction

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Questions and Answers

Where is the local anesthetic injected to provide unilateral analgesia to the skin, muscles, and parietal peritoneum of the anterior abdominal wall?

  • In the subcutaneous tissue of the anterior abdominal wall
  • Within the muscle fibers of internal oblique and transversus abdominis
  • Directly into the subcostal nerve
  • Between the fascia found between internal oblique and transversus abdominis (correct)

What is the range of unilateral analgesia provided by injecting local anesthetic within the TAP?

  • T12 to L3
  • T5 to L2
  • T10 to L4
  • T7 to L1 (correct)

Why is the local anesthetic injected between the fascia?

  • Because it allows for better distribution of the anesthetic (correct)
  • To avoid affecting the subcutaneous tissue
  • To minimize the volume of anesthetic required
  • To target the muscle fibers directly

Why do unilateral TAP blocks never cross over the midline?

<p>Due to anatomical barriers preventing crossover (A)</p> Signup and view all the answers

What is the purpose of providing surgical anesthesia for minor, superficial procedures on the lower abdominal wall?

<p>To minimize postoperative pain (A)</p> Signup and view all the answers

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