More detailed information on the specifications for these new performance, quality, and structural measures for care of patients with HBP is presented in Appendix A. 4. AREAS FOR FURTHER RESEARCH Several additional areas of research will potentially have an impact on HBP performance and quality measures: Further research is needed on devices for measur- ing BP for diagnosis and control, including con- tinuous measurements from digital devices and entering BP measurements into electronic health records. Further research is needed on improving the accu- racy of office BP measurements, including appro- priate technique, number of measurements, and training of healthcare providers in measuring BP to help standardize care and improve utilization of performance measures. Technology for measurement of BP continues to evolve. Several ambulatory BP monitoring and home BP monitoring devices, including cuffless devices that incorporate optical BP monitoring algorithms, are available, although out-of-office BP measurements using validated upper-arm devices with appropriately sized cuffs are recommended to confirm the diagnosis of HBP and for titration of BP-lowering medications. Additional data on accu- racy, reproducibility, costs, and device comparisons are needed. The field would benefit from further research on how improvement in HBP measurement, such as the use of home BP monitoring and use of a stan- dard protocol to measure BP accurately, as incor- porated into guideline-based clinical interventions (eg, AHA and AMA Target: BP), translates into improvement in BP care.26 Table 7. ACC/AHA Task Force on Performance Measures: Attributes for Performance Measures24 1. Evidence Based High-impact area that is useful in improving patient outcomes a. For structural measures, the structure should be closely linked to a meaningful process of care that in turn is linked to a meaningful patient outcome. b. 