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Cervical medial branch blocks and radio frequency ablation

A cervical medial branch block involves injection of local anaesthetic, with or without steroids, into the space just outside the affected joint close to the nerves that supply the joint. The “blocked” or numbed nerves will not be able to transfer the pain sensation from the joints to the brain. A cervical medial-branch block is an injection administered to diagnose and treat neck, upper-back, shoulder and facial pain, and headaches. The procedure is designed to both relieve symptoms and diagnose their source. By deadening pain signals in the medial-branch nerves (which transmit pain signals from the facet joints to the brain), it is possible to determine whether a particular facet joint (which connects two vertebra) is the source of the pain

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