Conditions of measurement before the measurement of blood pressure need to rest for at least 5 minutes. At least 30 minutes before blood pressure measurements should from smoking and caffeine (coffee, cola, tea). In measuring time to sit, leaning back in his chair, and the fixed arm should lie comfortably on the table. You should not talk during the measurement. Cuff should be wrapped around the forearm with the center of an inflatable bag directly over the brachial artery and the lower edge of the cuff should be about 2-3 cm above the elbow. An inflatable bag cuff must be at heart level during measurement.
Leg measurement should not be crossed. Your feet should be on floor. Bladder before measuring blood pressure must be drained. Shoulder should not constrict clothing (especially unacceptable measurement through clothes). Failure to comply with these conditions may lead to an overestimation arterial pressure: after taking the coffee – 11 / 5 mm Hg. Art.
alcohol – 8 / 8 mm Hg. Art. smoking – 6 / 5 mm Hg. Art. in a crowded bladder – to 15/10 mm Hg. Art. In places without backrest – systolic by 6-10 mm Hg. Art. In places without support for the hands – 7 / 11 mm Hg. Art. What better use of tonometers for home blood pressure measurement has several types of devices that are available on the market: the auscultatory method: mercury devices, aneroid ('Dial') and e ('hybrid') device for measuring blood pressure are used simultaneously with a stethoscope.