But only a fraction of them have been independently verified for accuracy, a process called validation. Digital BP monitors, also used in medical settings, are more reliable. Analog devices that use a cuff and pressure gauge need calibration every few months, but this rarely happens, says Jordana Cohen, MD, an associate professor of medicine and epidemiology at the University of Pennsylvania Perelman School of Medicine. You might assume that the BP monitors there are more accurate than at-home monitors, but that’s often not the case. Plus, doctors’ offices can have equipment problems. ) But many of these requirements aren’t consistently met in a doctor’s office, where staff may be too rushed to put you in the right position. (There’s a lot more to it for all the details see how to get an accurate blood pressure reading. Getting an accurate blood pressure reading requires following a highly specific procedure that includes keeping your feet flat on the floor, your back against a sturdy chair, and an arm on a flat surface level with your heart.
