“Blood pressure (BP) measured in the upper arm is different from cBP and the relationship shows considerable variation amongst individuals.”¹

“Emerging evidence now suggests that central pressure is better related to future cardiovascular events than is brachial pressure.”²

1. Sharman, J, Stowasser, M, Fassett, R, Marwick, T, Franklin, S 2008, ‘Central blood pressure measurement may improve risk stratification’,
J Hum Hypertens, vol. 22, no 12, pp. 838-44.
2. McEniery, CM, Cockcroft, JR, Roman, MJ, Franklin SS & Wilkinson IB 2014, ‘Central blood pressure: current evidence and clinical importance’
European Heart Journal, vol 35, no 26, pp. 1719-25.