Answer
Although this approach is not covered in this article, it seems that ultrasound-guided arthrocentesis and injection of the knee are superior to arthrocentesis and injection guided by anatomic landmarks and palpation, resulting in significantly less procedural pain, improved arthrocentesis success, greater synovial fluid yield, more complete joint decompression, and improved clinical outcomes. [3]
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Media Gallery
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Anterior view of right knee.
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Anatomic landmarks for knee arthrocentesis.
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Infiltration of local anesthetic via medial parapatellar approach (left knee).
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Left-knee aspiration via medial parapatellar approach.
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Application of bandage after left-knee aspiration.
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