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What is a chief trigger point?

The trigeminocervical system is integral in cervicogenic headache. Cervicogenic headache frequently coexists with complaints of dizziness, tinnitus, nausea, imbalance, hearing complaints, and ear/eye pain. Controversy exists as to whether this constellation of symptoms may be cervically mediated.

A wider spectrum of cervically mediated symptoms may exist by influence of trigeminocervical and vestibular circuitry through cervical afferent neuromodulation. Certain examination findings may help to predict benefit from GON/TPI.