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Home . LifeSource . LifeSource UA-851 Automatic Multi-Function Blood Pressure Machine (Large Cuff)
LifeSource UA-851 Automatic Multi-Function Blood Pressure Machine (Large Cuff)
  • LifeSource UA-851 Automatic Multi-Function Blood Pressure Machine (Large Cuff)
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LifeSource UA-851 Automatic Multi-Function Blood Pressure Machine (Large Cuff)

Reg Price $79.95Savings! $20.00 (25%)
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Basic Features
  • Four week blood pressure logbook included
  • 90 reading memory
  • Pressure Rating Indicator
  • Irregular Heartbeat Detection
  • Large digital display
Lifesource AC Adapter for Blood Pressure MonitorsLifesource AC Adapter for Blood Pressure Monitors $19.99
LifeSource Replacement Blood Pressure CuffsLifeSource Replacement Blood Pressure Cuffs $18.95
Cuff Choices:
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Chest Strap Size
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Packaging choice:
WeatherWeather $0.00
Cuff size: 14.2 to 17.7 inches
The sleek new Multi-Function Automatic Blood Pressure Monitor combines clinically valuable features with a contemporary new table top design.

The UA-851 also features the LifeSource exclusive Pressure Rating Indicator, which takes the guesswork out of blood pressure measurements by color coding each reading according to the JNC7 guidelines, and Irregular Heartbeat Detection, which will provide users with an accurate blood pressure reading even if an irregular heartbeat is detected. Along with a 90 reading memory capacity, and a lifetime warranty on both the cuff and monitor, the UA-851 is truly an innovative and stylish new approach to blood pressure monitoring.

In The Box
  • Monitor
  • Cuff Choices - 9.4 " to 14.2" (24 cm to 36 cm) or 14.2" to 17.7" (36cm to 45 cm)
  • Manual
  • 4 AA batteries
  • Quick start guide
  • Blood Pressure Logbook - 4 weeks log
  • Warranty

  • Large-print instruction guide with illustrations and quick start card in English and Spanish
  • Four week blood pressure logbook included
  • 90 reading memory
  • Pressure Rating Indicator
  • Irregular Heartbeat Detection
  • Large digital display
  • Illuminated Start Button
  • Large Cuff
Compare Blood Pressure Monitors


What is blood pressure?
Omron - Blood pressure is the force generated by the blood against the walls of arteries during cardiac contraction and relaxation (e.g., the pumping action of the heart).

LifeSource - Blood pressure is the force exerted by blood against the walls of the arteries. Systolic pressure occurs when the heart contracts; diastolic pressure occurs when the heart expands. Blood pressure is measured in millimeters of mercury (mmHg).

Why measure your blood pressure?
Omron - Blood pressure measurement can highly reflect one's health condition. High blood pressure is potentially linked to serious illnesses such as stroke, heart disease and kidney failure.
Since there is no symptom most of the time, many hypertension people do not realize they are at risk until their health is seriously threatened.

Why measure your blood pressure at home?
LifeSource - It is now well known that, for many individuals, blood pressure readings taken in a doctor’s office or hospital setting might be elevated as a result of apprehension and anxiety. This response is commonly called “white coat hypertension.” In any case, self-measurement at home supplements your doctor’s readings and provides a more accurate, complete blood pressure history. In addition, clinical studies have shown that the detection and treatment of hypertension is improved when patients both consult their physicians and monitor their own blood pressure at home.

Why affects your blood pressure?
Blood pressure is affected by many factors: age, weight, time of day, activity level, climate, altitude and season. Certain activities can significantly alter one’s blood pressure. Walking can raise systolic pressure by 12 mmHg and diastolic pressure by 5.5 mmHg. Sleeping can decrease systolic blood pressure by as much as 10 mmHg. Taking your blood pressure repeatedly without waiting an interval of 5 minutes between readings, or without raising your arm to allow blood to flow back to the heart, can also affect it.
In addition to these factors, beverages containing caffeine or alcohol, certain medications, emotional stress and even tight-fitting clothes can make a difference in the readings.

Why does my blood pressure fluctuate throughout the day?
Omron - Individual blood pressure varies greatly both on a daily and a seasonal or temperature basis. These variations may be more pronounced in hypertension patients. Normally the blood pressure rises while at work and is at its lowest during sleep.

LifeSource - An individual’s blood pressure varies greatly from day to day and season to season. For hypersensitive individuals, these variations are even more pronounced. Normally, blood pressure rises during work or play and falls to its lowest levels during sleep.

Blood Pressure Guide:
Blood pressure classification Systolic (mmHg)   Diastolic (mmHg)


less than 120 and less than 80
Pre hypertension 120-139 or 80-89
Stage 1 hypertension 140-159 or 90-99
Stage 2 hypertension greater than/equal to 160 or greater than/equal to 100

Establishing Baseline Measurements
The most important method to get an accurate blood pressure measurement is consistency. To get the most benefit out of your monitor, it is important to establish a “baseline measurement.” This helps build a foundation of measurements that you can use to compare against future readings. To build this baseline measurement, devote two weeks for consistent blood pressure monitoring. This involves doing everything the same way when you measure (e.g. measuring during the same time of day, in the same location, sitting in the same chair, using the same cuff, etc.). Once you establish your baseline measurement, you can start evaluating if your measurement has been affected based on things like lifestyle changes or medication treatment.

What is hypertension?
LifeSource - Hypertension (high blood pressure) is the diagnosis given when readings consistently rise above normal. It is well known that hypertension can lead to stroke, heart attack or other illness if left untreated. Referred to as a “silent killer” because it does not always produce symptoms that alert you to the problem, hypertension is treatable when diagnosed early.

Can hypertension be controlled?
In many individuals, hypertension can be controlled by altering lifestyle and minimizing stress, and by appropriate medication prescribed and monitored by your doctor. The American Heart Association recommends the following lifestyle suggestions to prevent or control hypertension:
Don't smoke
Reduce salt and fat intake
Maintain proper weight
Exercise routinely
Have regular physical checkups
Monitor your blood pressure at periodic intervals

What is an irregular heartbeat?
LifeSource -A heartbeat that varies by 25% from the average of all heartbeat intervals during the blood pressure measurement.
Relax, remain still and refrain from talking during measurements.

Omron Health Management Software (included with select products) allows you to view, process and print data about blood pressure.
The following operating environments are required to run this software.
Supported OS:
Microsoft® Windows® 2000 Professional
Microsoft® Windows® XP Home Edition
Microsoft® Windows® XP Professional Edition

600 MHz or higher, Pentium compatible CPU, PC/AT compatible machine

Memory capacity:
128MB or more

Hard disc space:
32MB or more

Super VGA (800 x 600 pixel) or higher resolution video adapter and monitor

A CD-ROM or DVD drive
USB connector (USB Revision 1.1 compliant)
A printer Microsoft® Internet Explorer 5.0 or higher
Adobe® Acrobat® Reader 5.0 or higher

My reading seems high. Is something wrong with the monitor?
Your cuff might be too small for you or on too tight. A cuff that is too small yields a measurement that is higher than the correct blood pressure. Be sure to check that you are using the correct cuff size before taking your blood pressure. Please reference the section called “Select the correct cuff” in the instruction manual or see Question 4 to determine your correct cuff size. If your measurements still seem high, please consult your physician.

Compare Blood Pressure Monitors

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LifeSource UA-851 Automatic Multi-Function Blood Pressure Machine (Large Cuff)$59.95
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