Pain rehabilitation. 1. Basic science, acute pain, and neuropathic pain.

This self-directed learning module highlights advances in pain basic science as well as the management of acute and neuropathic pain. It is part of the chapter on pain rehabilitation for the Self-Directed Medical Knowledge Program for practitioners and trainees in physical medicine and rehabilitation. This section discusses pharmacologic and nonpharmacologic techniques in pain management. Advances that are covered include updated theories on etiology of central pain, the use of patient-controlled analgesia and blocks in pain control, and management and patterns of headache after brain injury and in subarachnoid hemorrhage.