Overview
When is ankle arthrocentesis performed, and how are complications prevented?
What is the anatomy of an ankle joint relevant to ankle arthrocentesis?
What are the diagnostic indications for ankle arthrocentesis?
What are the therapeutic indications for ankle arthrocentesis?
What are the contraindications for ankle arthrocentesis?
Periprocedural Care
What is the equipment needed to perform ankle arthrocentesis?
When is procedural sedation or analgesia indicated for ankle arthrocentesis?
What is the role of local anesthesia in ankle arthrocentesis?
How should the patient be positioned for ankle arthrocentesis?
Technique
How is synovial fluid aspirated during ankle arthrocentesis?
What is the anterolateral approach for ankle arthrocentesis?
How is anterolateral approach for ankle arthrocentesis performed?
What injuries can occur with the anteromedial approach for ankle arthrocentesis?
How is anteromedial approach for ankle arthrocentesis performed?
How are synovial fluid analysis results from ankle arthrocentesis interpreted?
What does the presence of crystals on the septic joint effusion from ankle arthrocentesis indicate?
What factors result in a dry tap when performing ankle arthrocentesis?
How can potential damage to cartilage be avoided when performing ankle arthrocentesis?
How are hemarthrosis caused by ankle arthrocentesis managed?
When are antibiotics indicated in ankle arthrocentesis?
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Right ankle.
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Anatomic landmarks for ankle arthrocentesis. EDL = extensor digitorum longus; EHL = extensor hallucis longus; TA = tibialis anterior.
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Identification of space between medial malleolus and medial border of tibialis anterior tendon.
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Infiltration of local anesthetic.
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Ankle joint aspiration between medial malleolus and medial border of tibialis anterior tendon.