ABSTRACT
Measurement of blood pressure accurately is imperative in the diagnosis and monitoring of a wide range of clinical conditions. The mercury sphygmomanometer discovered more than 100 years ago, has since been used as the gold standard to record blood pressure. Using the mercury sphygmomanometer requires adequate training and practice, whereas the automated devices are convenient and easier to use. We wanted to compare the readings taken by the manual mercury and the digital sphygmomanometer and determine the variations in the readings if any. MethodsThis cross-sectional study was done in 148 apparently healthy medical students (males n=58, females n=90) (Fig. 1). Written informed consent was taken and the procedure was carried out. Questionnaires were provided to obtain demographic data from students. Blood pressure was recorded in the dominant arm using Pulse Wave 300 NISCO mercury sphygmomanometer, and OMRON HEM-7130 digital sphygmomanometer in the sitting, standing and recumbent posture. Three readings were recorded in each position with an interval of 2 mins., between each recording. The mean of the systolic and diastolic blood pressured was compared between the mercury and digital sphygmomanometer for variations if any. Data was analyzed using IBM SPSS version 22. P value of ≤ 0.05 was considered significant. ResultsIn our study out of the 148 participants 58 were males and 90 were females. The overall mean systolic blood pressure recorded using the mercury sphygmomanometer was found to be 107.59 ± 11.62 mmHg; mean diastolic blood pressure was found to be 68.83 ± 8.91 mmHg; overall mean systolic blood pressure recorded using the digital sphygmomanometer was found to be 107.72 ± 13.36 mmHg and overall mean diastolic blood pressure was found to be 71.4 ± 9.62 mmHg. ConclusionsIn our study no statistically significant difference was found between the BP measurements recorded using the mercury and digital sphygmomanometer (Table. 1, 2). Mercury sphygmomanometer still remains the gold standard in recording blood pressure, and those who are unskilled in recording BP using the standard method could utilize the digital device as it is easier and more convenient.
ABSTRACT
Objective To enhance the verification coverage of mercury sphygmomanometer by PDCA.Methods PDCA cycle principle was used to determine the causes for the low verification coverage of mercury sphygmomanometer,and some countermeasures were put forward accordingly.Results The involvement of PDCA increased the verification coverage of mercury sphygmomanometer,standardized mercury sphygmomanometer metrological verification,and thus ensured the quality of mercury sphygmomanometer for clinical use.Conclusion PDCA cycle principle can improve hospital metrological device management effectively,and thus is worthy promoting practically.
ABSTRACT
Objective To enhance the verification coverage of mercury sphygmomanometer by PDCA.Methods PDCA cycle principle was used to determine the causes for the low verification coverage of mercury sphygmomanometer,and some countermeasures were put forward accordingly.Results The involvement of PDCA increased the verification coverage of mercury sphygmomanometer,standardized mercury sphygmomanometer metrological verification,and thus ensured the quality of mercury sphygmomanometer for clinical use.Conclusion PDCA cycle principle can improve hospital metrological device management effectively,and thus is worthy promoting practically.
ABSTRACT
Objective To investigate the feasibility of the upper- arm electronic sphygmomanometer for evaluating the blood pressure in patients with atrial fibrillation. Methods Consecutive hospitalized patients with atrial fibrillation for coronary angiography were selected, and the application of upper- arm electronic sphygmomanometer and mercury sphygmomanometer of blood pressure were applied and in the process of coronary angiography, the radial artery invasive blood pressure was recorded and the correlation was analyzed. Results Mercury sphygmomanometer and radial artery invasive blood pressure measurement had a good consistency on systolic blood pressure, diastolic blood pressure, pulse pressure, mean arterial pressure in atrial fibrillation patients, the differences were not statistically significant (P>0.05). Upper- arm electronic sphygmomanometer and radial artery invasive blood pressure measurement had some consistency (pulse rate range, pulse rate of 70-90 beats / min) on systolic blood pressure, diastolic blood pressure, pulse pressure, mean arterial pressure in atrial fibrillation patients, the differences were not statistically significant (P>0.05). Upper-arm electronic sphygmomanometer and mercury sphygmomanometer had some consistency (pulse rate range, pulse rate of 70-90 beats / min) on systolic blood pressure, diastolic blood pressure, pulse pressure, mean arterial pressure in atrial fibrillation patients, the differences were not statistically significant (P>0.05). The correlation between mercury sphygmomanometer and radial artery invasive blood pressure measurement were found on systolic blood pressure, diastolic blood pressure, pulse pressure, mean arterial pressure in atrial fibrillation patients (r=0.71-0.78, P<0.05),which were better than those of upper- arm electronic sphygmomanometer and radial artery invasive blood pressure measurement (r=0.53-0.70, P <0.05). Conclusions The upper- arm electronic sphygmomanometer can be used for the assessment of blood pressure in patients with atrial fibrillation.