We currently have no simple test of any kind that tells us whether someone has pain, but there is reason to be optimistic that brain imaging that can contribute to evaluation of pain may be within our grasp.
Karen E. Hoffman, MD, MHSc, MPH and Paul L. Nguyen, MD
Guidelines require interpretation and should not be mindlessly applied as a template of care for all patients, particularly when there are inconsistencies between clinical practice guidelines developed by medical groups.