The numeric rating scale (NRS) is a single 11-point numeric scale broadly validated across myriad patient types. Data obtained via NRS are easily documented, intuitively interpretable, and meet regulatory requirements for pain assessment and documentation. Continue reading
Complex regional pain syndrome (CRPS) has been known by many names, but most commonly as reflex sympathetic dystrophy and causalgia (as attributed to Evans and Mitchell, respectively). In the past, it was diagnosed using a variety of nonstandardized and idiosyncratic diagnostic systems. The name was ultimately changed to complex regional pain syndrome (CRPS) at a consensus workshop in Orlando, Florida, in 1994, with the new name and diagnostic criteria codified by the International Association for the Study of Pain (IASP) task force on taxonomy.