Below you will find a list of discussions in the Diagnostic Tests & Spinal Injections forums at the Spine Patient Society Forums. X-rays, MRI (Magnetic Resonance Imaging) Scans, CAT (Computer Aided Tomography) Scans, Myelograms, Electromyography (EMG) & Nerve Conduction Velocity (NCV) Testing, Epidural Steroid & Facet Injections, Radiofrequency Ablations (RFA), and Discography.