What is included in patient preparation for joint aspiration (arthrocentesis)?

Updated: Mar 23, 2020
  • Author: Steven N Berney, MD; Chief Editor: Vinod K Panchbhavi, MD, FACS  more...
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Before the procedure is begun, the joint landmarks should be carefully palpated, and the needle insertion point should be marked with ink or indented into the skin with the tip of a retracted pen.

The area should be prepared with povidone-iodine solution and then allowed to dry. The iodine can then be wiped away from the needle insertion site with an alcohol pad to prevent irritation. In patients allergic to iodine, chlorhexidine is an acceptable alternative. Once the procedure is completed, excess iodine should be removed from the skin.

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