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phrenic pressure test

 

Definition: pressure is applied on the phrenic nerve on each side, above the clavicles where the nerve passes over the scalenus anticus muscle; if pain is perceived and the patient inclines the head to the painful side, the problem is in the pleural space; if the head does not incline to one side, the problem is in the abdominal cavity.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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