Researchers conclude that commonly used ways of positioning the patient's arm during blood pressure (BP) screenings can substantially overestimate test results and may lead to a misdiagnosis of hypertension.
Researchers conclude that commonly used ways of positioning the patient's arm during blood pressure screenings can substantially overestimate test results and may lead to a misdiagnosis of hypertension.
According to the American Heart Association, nearly half of U.S. adults have elevated blood pressure, a diagnosis made when the measured force of blood flowing through blood vessels is higher than what is generally considered normal, on average 120/80. Untreated, high blood pressure increases the risk of stroke, heart attack and other serious cardiovascular conditions.
Upon completion of each set of three measurements, the cuff was removed, participants walked for two minutes and rested for five minutes. In the same visit, they then underwent a fourth set of triplicate measurements with their arm supported on a desk, a set used to account for well-known variations in BP readings. All of the measurements were conducted in a quiet and private space, and participants were asked not to talk to researchers or use their phones during the screening.
Along with Brady and Liu, authors from Johns Hopkins are Di Zhao, Ahmed Sabit, Chathurangi Pathiravasan, Junichi Ishigami, Jeanne Charleston, Edgar Miller III, Kunihiro Matsushita and Lawrence Appel.
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