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Medical Term:

Adson test

Pronunciation: ad′sŏn

Definition: a test for thoracic outlet syndrome; the patient is seated, with head extended and turned to the side of the lesion; with deep inspiration there is a diminution or total loss of radial pulse on the affected side. Not all patients with a positive result to Adson test have thoracic outlet syndrome.

Synonym(s): Adson maneuver