Nerve block, Cancer treatment, Ultrasound, Ultrasound-guided cortisone injection, Joint injection, Ultrasound-guided in...jection, Trigger point injection, Spine procedure, Ablation, Radiofrequency ablation, Fluoroscopy, Pain management, Spinal cord stimulator insertion, Sympathetic nerve block, Dorsal root ganglion stimulator implantation, Intrathecal baclofen pump implantation, Injection, Fluoroscopy-guided biopsy, Spinal injection, Radiofrequency neurotomy, Celiac plexus block, Epidural steroid injection, Epidural blood patch, Stellate ganglion block, Medial branch block, Lumbar sympathetic block, Peripheral nerve stimulation, Peripheral nerve block, Intrathecal morphine pump implantation, Intrathecal pump implantation, Back pain, Complex regional pain syndrome, Meralgia paresthetica, Phantom pain, Residual limb pain, Radiculopathy, Cancer-related pain, Post-knee surgery chronic pain, Mononeuropathies, Post-hernia surgery pain