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Updated: May 25, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
Published on: May 3, 2018
Measured blood pressure and hypertension among young adults: a comparison between two nationally representative
Laura Chyu1, Thomas W McDade, Emma K Adam
1Cells to Society: The Center on Social Disparities and Health, Institute for Policy Research, Northwestern University, Evanston, Illinois 60208, USA. l-chyu@northwestern.edu
Abstract:
Measurement and distribution of systolic and diastolic blood pressure and related health risk factors in the National Longitudinal Study of Adolescent Health (Add Health) were compared with data from the National Health and Nutrition Examination Survey (NHANES) 2007-2008. Sociodemographic patterns of blood pressure, prevalence of hypertension, and measurement characteristics in Add Health were also examined. Prevalence of hypertension (20.88%) in Add Health was significantly higher than that in NHANES (4.60%). This difference was only partially explained by body mass index and waist circumference and could reflect different measurement techniques, sample composition differences, or masked hypertension.
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Hypertension I: Introduction
Measurement of Blood Pressure
Blood Pressure
Blood Pressure
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the diastolic...
Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.