The nurse should expect which finding in a patient with thoracic outlet syndrome (TOS)?
A) A difference in blood pressure between the upper and lower extremities
B) Positive ankle-brachial index
C) Positive Adson maneuver
D) Manifestations of Turner syndrome
C) Positive Adson maneuver
Explanation: A) A higher blood pressure in the upper extremities compared to the lower extremities may indicate that circulation of the legs is diminished.
B) The ankle-brachial index is used to diagnose peripheral arterial disease, not TOS.
C) The Adson maneuver (movement of the shoulder joint) helps identify the cause of pain and decreased blood flow due to TOS.
D) Children with Turner syndrome are at risk for coarctation of the aorta, not TOS.
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