Visual EM

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Orthopedics, Trauma, Visual EM

Thompson Test in Achilles Tendon Rupture

The left Achilles tendon had a defect on palpation, while the right Achilles tendon was intact. When squeezing the right (unaffected) calf, the ankle spontaneously plantar flexed, indicating a negative (normal) Thompson test. Upon squeeze of the left (affected) calf, the ankle did not plantar flex, signifying a positive (abnormal) Thompson test. The diagnosis of left Achilles tendon rupture was confirmed intraoperatively one week later.

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