Clinical and experimental pharmacology & physiology
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Clin. Exp. Pharmacol. Physiol. · May 1999
Comparative StudyComparison of oscillometric blood pressure measurements at the wrist with an upper-arm auscultatory mercury sphygmomanometer.
1. Oscillometric devices for blood pressure (BP) measurement at the wrist are becoming more widely used in clinical practice. However, systematic comparisons with standard auscultatory BP measurement at the brachial artery are scarce. ⋯ For the Omron R3, fixed or proportional error was not detected for either systolic or diastolic BP. 6. These wrist oscillometric devices, although offering portability and convenience, give BP measurements that frequently differ substantially (by at least 5 mmHg) from readings simultaneously measured at the upper arm by a mercury sphygmomanometer. The magnitude and direction of differences detected are dependent on both the device used and the underlying level of BP.