Accuracy
Walgreens monitors have been clinically tested against a scientific device called a sphygmomanometer, considered the gold standard in blood pressure measurement. All Walgreens monitors have performed equivalent to measurements taken with this scientific device and are within the accuracy limits prescribed by the American National Standard for Electronic or Automated Sphygmomanometers.
Measurement Method
Walgreens monitors measure blood pressure and pulse by using what’s called an oscillometric method, meaning they measure the fluctuations in pressure. This is done by first wrapping a fitted cuff around the upper arm. The monitor then automatically fills the cuff with air creating pressure around the arteries inside of the arm. Mounted inside of the cuff is a special gauge that is capable of sensing the small oscillations (fluctuations) in pressure. These fluctuations are produced as a result of the pressure the cuff has placed around the arm and are, in a basic sense, the arteries pulsing (getting larger and smaller) with each heart beat. The monitor then measures how high and how quickly these pulses occur and converts that information into a digital value. A special valve, called an electrode, deflates the monitor automatically when the measurement is complete.
Special Conditions
All Walgreens blood pressure monitors are safe and accurate to use with arrhythmias such as atrial or ventricular premature beats and atrial fibrillation.
Special Features
This Walgreens monitor with Heart Sense 
technology senses your blood pressure before the measurement is complete - the monitor then adjusts the air pressure amount according to your individual level. The results are quick, comfortable measurements each time your check your blood pressure.
Large Three Row Display with Backlight
A large LCD with a backlight illuminate the time, date and your blood pressure - systolic over diastolic - to make measuring your blood pressure easy to read.
Memory Feature
Your Walgreens Ultra Deluxe Inflate monitor features a 3 party memory capability or 3 "zones" - each zone stores 40 measurements for a total storage capacity of 120 measurements. This unique feature allows 3 users to use and store their blood pressure readings separately all on one monitor!
Time and Date
This monitor automatically keeps track of the time and date and remains on when the monitor is not in use for easy reference.
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