For most accurate blood pressure readings, 24-hour home monitoring may be needed, study finds. Blood pressure readings from the 24-hour home-monitoring devices were 50% more accurate at predicting a patient’s risk of early death than the readings made in the clinics.
Can a tight blood pressure cuff cause a high reading?
Improper placement of the cuff over clothing can cause your blood pressure measurement to increase 10 to 50 points. If the cuff is too small, it can add 2 to 10 points your reading. Be sure to roll up your sleeve for a blood pressure test and also let your doctor know if the cuff feels too tight around your arm.
How do I know if my blood pressure monitor is accurate?
Check for accuracy
“If the systolic blood pressure (the top number) on your cuff is within 10 points of the monitor, then it’s generally accurate,” he says. Most home blood pressure machines last for about two or three years. After that, check it at your doctor’s office annually to make sure it’s still accurate.