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The Accuracy of Blood Pressure Device

Authors: Najla Ayoub --- Hana Alsaeed --- Lamya Ayoub
Journal: Mustansiriya Medical Journal مجلة المستنصرية الطبية ISSN: 20701128 22274081 Year: 2012 Volume: 11 Issue: 1 Pages: 24-26
Publisher: Al-Mustansyriah University الجامعة المستنصرية


Background: One of the factors affecting the accuracy of readings of blood pressure is the equipment used. Defects or inaccuracy of the sphygmomanometer may be source of error in blood pressure measurement. Aims: This study had two objectives. Firstly, to assess the accuracy of sphygmomanometer used in general practice and secondly to assess the physical condition. Materials and Methods: A total of 50 mercury and aneroid sphygmomanometers were tested for accuracy and physical condition. Results: The results were that of the mercury and aneroid sphygmomanometers tested, 30% were inaccurate, of these, 10% recorded an error greater than 10 mmHg. Both types of sphygmomanometers were evaluated for conditions of cuff/bladder, pump bulb, and valve. Air leaks / holes in the pump bulb was found in 4% and bladder damage in 6% and indicator needles not pointing to the zero. Conclusions: It is necessary that all equipment used for blood pressure measurement should be checked for accuracy on regular period.

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