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Re: pressure measurements question
Try to take your blood pressure measurements at the same time and under the same conditions every day. The ideal time to measure your blood pressure is in the morning just after waking up—before breakfast, any major activity or exercise. This will give you a base blood pressure measurement. It is best to take readings closely together if you want to check whether one reading is accurate. Rest for 30 seconds then take another reading. Blood pressure can vary even over a few minutes.
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I guess you got a faulty device. BP monitor's should be accurate as they measure our blood pressure rate. I use Omron Health monitoring systems. I suggest you to try some other pharmacy, for such products.
First, I do not believe there is any accurate way to measure blood pressure without having a valve installed; not a practical alternative.
The standard method using an arm-cuff and stethoscope is highly dependent on the person doing the measurement. Once my hearing started to fail, I had to go to a digital meter and found after three of these which failed and comparing my current Samsung to three different methods; manual, an elaborate 'calibrated' digital on a stand and another 'calibrated' cuff-type during an examination by a professional, none of these agreed better than 10-15 mm and the worst was 25-30 mm apart.
Using the average of those 'profis,' my current wrist-type digital measures about 10 points low on both systolic and diastolic so I just ignore the absolute numbers and use it only to determine relative deviations.
For that, mine is repeatable enough.
There are standard methods for measuring BP. One should be seated on chair, feet on ground, leaned back, relaxed for at least 5 minutes, at least 2 hrs after a meal, .... then repeating this procedure several times daily, and averaging will provide some ave daily BP value. Using this procedure for hourly BP measures, one can adjust times and doses of BP medicines taken daily.
Measuring your own blood pressure is an important way of monitoring your health. High blood pressure is a major health problem, which can be treated effectively once detected. Measuring your blood pressure between doctor visits on a regular basis in the comfort of your home, and keeping a record of the measurements, will help you to monitor any significant changes in your blood pressure. You should also keep an accurate record of your blood pressure, to help your doctor diagnose and possibly prevent any health problems in the future.
There are two positions for taking your blood pressure measurements: Sitting down - Place your elbow on a table. Using a flat object as support, position your wrist at heart level. Your blood pressure measurement will be too low if you hold your hand too high, or too high if you hold your hand too low. Lying down - Lie on your back. Rest your wrist on a support or cushion with the palm side facing up, position your wrist at heart level. On both of the positions you need to open and relax your hand with the palm facing up (closing your hand will cause inaccurate readings). Do not bend your wrist inward, as bending your wrist will cause inaccurate readings. If possible, empty your bladder before measuring your blood pressure, for a more accurate reading.
The two numbers that measure your blood pressure are written like a fraction: one number on top and one on the bottom. The top number in a blood pressure reading refers to the systolic pressure. It measures the pressure inside your blood vessels at the moment your heart beats. The bottom number represents your diastolic pressure. It measures the pressure in your blood vessels when your heart is resting between heartbeats. A good blood pressure for most people will be under 120/80, as most people with blood pressure problems have high blood pressure. However, extreme low blood pressure can also be a serious health concern.