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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f22_1_22559

©2013 UpToDate ® Print Email Aspiration from subtalar joint Unilateral ankle effusions can be crystal-induced "cluster attacks" in which several anatomically adjacent joints are involved. These attacks can sometimes be made to yield fluid by aspirating the subtalar joint, one finger breadth below the prominence of the lateral malleolus.