CRPS, Complex Regional Pain Syndrome, is a debilitating and painful medical condition that is often misdiagnosed. It was previously known as RSD and Causalgia. This Primer on CRPS is a well-referenced, single source for health care professionals who are interested in learning the current, state-of-the-art diagnosis and treatment of CRPS. This book will also serve as a comprehensive review of CRPS for lawyers on both the plaintiff and defense sides who may encounter a suspected diagnosis of CRPS. Shanu Kondamuri, MD is the Managing Director of Midwest Interventional Spine Specialists (MISS) and has been in practice for 20+ years, full-time, as an interventional pain and spine care specialist. As a passionate medical expert, specializing in Pain Management, Spine Care, and Complex Regional Pain Syndrome (CRPS), he lectures regularly on various topics including the Opioid Epidemic, Failed Back Surgery Syndrome, Workplace Safety in Health Care, Regenerative Medicine, as well as CRPS. In addition to his clinical and other responsibilities, Dr. Kondamuri has become known as an experienced expert witness, medico-legal consultant, and trial-tested specialist. After finishing his pain fellowship at Yale University, he co-founded MISS in Munster, IN. Dr. Kondamuri has completed triple-board certification in Pain Medicine, Anesthesiology, and Internal Medicine. He lives with his family in northwest Indiana.