Nerve block, Radiofrequency ablation, Ablation, Spinal cord stimulator insertion, Trigger point injection, Epidural ste...roid injection, Epidural blood patch, Peripheral nerve stimulation, Peripheral nerve block, Epidural, Osteoarthritis, Arthritis, Neck pain, Back pain, Pain NOS, Piriformis syndrome, Chronic pain, Complex regional pain syndrome, Peripheral nerve injury, Peripheral neuropathy, Sciatica, Chronic pain syndrome , Neurogenic claudication , Central sensitization, Radiculopathy, Muscle spasms, Spondyloarthritis, Nerve irritation