Anesthesia · single question
When performing an IAN block, which complication has the LEAST chance of occurring?
Show answer and explanation
Correct answer: D. Infection
- A. Incorrect. Ecchymosis from blood vessel damage is a more common minor complication.
- B. Incorrect. Hematoma is relatively common when the pterygoid plexus or inferior alveolar vessels are nicked.
- C. Incorrect. Trismus from muscle injection or hematoma is a recognized IAN block complication.
- D. Correct. Infection after IAN block is the LEAST common complication because of standard aseptic technique. Hematoma, ecchymosis, and trismus are more frequent.