By vgreene, 6 November, 2014 Exclude Patient Type Detail Header No Detail Type Text Detail Text If FEV1 Imaging: CXR not useful for COPD dx; may exclude alternative dx or establish resp/CV comorbidities. CT not routine; may help DDx if COPD in doubt Routinely assess comorbidities3 If assessing disability: Paced shuttle walk test or unpaced 6-min walk test.4 Cycle/treadmill ergometry used to eval coexisting/alternative dx (eg, CV dz) If from particularly high-prevalent A1AT-deficiency area:5 WHO recommends A1AT test6 Patient Type Detail Header (Long) Further assess Categories B & D: