Case 2203Paediatrics POCUS
POCUSCardiacIntermediateCine loop~3 minNCClinical history
2-year-old female was brought to the ED refusing to use her left arm after her father caught her by the arm to prevent her falling down flight of stairs. Further, you can appreciate both the supinator muscle, as well as the annular ligament are being pulled into the joint space, a finding known as hook sign.
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Review the history above, then inspect the looping clip and commit to what it shows. This is an atlas loop with a contributor's label and no reviewed region, so there is no locate step: watch it play, pick the finding, and rate your confidence before the caption is revealed.