Star burst of flaming legs encased in ice surrounded with turquoise text. Descriptions of how it feels to live with RSD/CRPS have been translated into graphic form in the hope it will help others understand what it's like to exist in our world. Hidden beneath the surface of Complex Regional Pain Syndrome (CRPS) aka Reflex Sympathetic Dystrophy (RSD). If you want to know what it feels like to live with this condition... the answer can be found in CRPS / RSD Awareness World of Fire & Ice Graphics. CRPS/RSD is a chronic pain syndrome characterized by severe and relentless pain that affects between 200,000 and 1.2 million Americans & over 5 million worldwide.