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Frequently Asked Questions About Self Blood Pressure Monitoring

Will I get the same reading each time I use my Blood Pressure Monitor?
  No. Blood pressure is not a static value but changes with each heartbeat, even in rest condition. Following are the reasons for variations in measurement readings.
  Blood pressure can change from moment to moment.
  Both the upper blood pressure value (systolic B.P.) and the lower blood pressure value (diastolic B.P.) vary by 5 to 10 mmHg with each heartbeat in healthy individuals. These variations may be considerably greater in the event of certain cardiovascular disorders.
  Insufficient rest condition.

This is the most frequent reason for improper use in self-administered blood pressure measurement. A resting time of at least 5 minutes should therefore be chosen before commencing blood pressure measurement.

  Incidents in the course of measurement.
Deliberate movements, muscle activities, coughing, sneezing and psychological demands such as speaking, listening and watching (e.g. TV ) may lead to false readings when measuring blood pressure. Measurements should therefore be carried out under conditions of complete rest and without any distraction.
  Irregular heartbeat.
Cardiac rhythm disorders can cause inaccurate readings or may result in measurement failure. These cardiac rhythm disorders may occur without the self-user being aware of them.
Why are my home readings different from my doctor's readings?
Many factors affect blood pressure including the anxiousness of a doctor's visit. When the blood pressure is measured in a hospital, it may be 25 to 30 mmHg higher than when measured at home. This is because you are tense at the hospital and relaxed at home. It is important to know your stable normal blood pressure at home.
Are manual inflate monitors as accurate as automatic inflate monitors?              
  Yes. Both models comply with the same accuracy standards. The only difference is the way the cuff is inflated.
Why is there more variation in my diastolic pressure?

Diastolic pressure is detected by the last "beat" in the cardiac cycle. This beat is sometimes difficult to detect with a stethoscope and may be subject to the practitioner's interpretation. Your blood pressure monitor detects the last beat electronically for a more consistent, reliable diastolic reading.

Why do I get different readings when I take my blood pressure readings in a short period of time?
It is important to wait a minimum of 15 minutes between readings to allow the blood vessels to return to normal. The waiting time may vary depending on individual physiological characteristics.
How often and when should I measure my blood pressure?
  It is recommended that you consult with your health care professional for the time and frequency that is best suited for you. It is important to take your readings at similar times and conditions on a day-to-day basis. This will allow for reliable comparisons of your readings.
What happens if I do not place the cuff at heart level?
If the cuff is not at heart level, readings will be affected producing either higher or lower measurements.
Which arm should I use to take my blood pressure?
It is suggested to consult with your health care professional to determine which arm is best for you to use. Your unit and accompanying detailed instruction guidebook are designed for left arm use. If you are unable to or should not use your left arm, please modify the instructions for right arm use. The same arm should be used for all future readings to ensure reliable comparisons.
How does my blood pressure monitor detect the readings?
digital blood pressure monitor uses OSCILLOMETRIC method to analyze the blood pressure of any individual. In this, an arm cuff covers a bladder, which detects pulse related pressure changes. They derive from blood samples, which are streaming right under the cuff. These pressure changes are recorded in the course of a patient's measurement.
Can I use any AC adapter with my unit?
Only selected units offer the capability of an AC adapter. If your unit has an AC Adapter feature, an adapter specifically designed for this unit is recommended. Use of an adapter other than the one specifically designed for your unit may cause permanent damage to your monitor and void your warranty.
Can I use my blood pressure monitor while exercising and also in moving vehicles?

The Oscillometric method of blood pressure monitoring requires quiet, stable conditions. Movement, vibrations or other activity will interfere with the reading and likely cause an error or inaccurate reading.


Most commonly patient's who are attempting to do a blood pressure measurement are not sufficiently in rest condition. Thus, sequential blood pressure results differ from each other. This limitation does not derive from a technological error, but from an imperfectly stable blood pressure itself.

Basically only some specific conditions have to be met. The measurements have to be taken in rest condition, movements have to be avoided during the measurement process and the cuff position should be at heart level. There is no further skill necessary in order to perform these blood pressure measurements.

The Oscillometric blood pressure measurement technology is sufficiently reliable to assess the blood pressure levels of patients, who suffer from either hypotension or hypertension.


Blood pressure readings should only be interpreted by a trained healthcare professional who is familiar with your medical history.

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