Arm position during blood pressure check may lead to wrong reading, study finds https://www.nbcnews.com/health/heart-health/arm-position-blood-pressure-increase-hypertension-check-rcna174245
Blood pressure may read falsely high if the arm isn’t positioned properly, researchers suggest | New study shows readings were roughly 4 millimeters of mercury higher when participants had their arm at lap- or side-level.