Which action most effectively corrects a damped arterial line trace?

Which action most effectively corrects a damped arterial line trace?

• A. Increase the infusion rate to the line to improve patency.
• B. Straighten tubing, flush, ensure proper zero reference, remove air, and level the transducer.
• C. Replace the arterial catheter with a larger bore.
• D. Place the transducer on the other side of the patient.

Answer: (B)