Q. Is electronic BP apparatus reliable?

According to the findings of the study approximately seventy percent of the time these digital devices were not accurate within five mmHg when especially in comparison to the mercury reading of the sphygmomanometer (which is used by medical practitioners). As a result making informed decisions regarding one's health was compromised. According to the findings of a research that was conducted in 1997 by Merrick and colleagues the home blood pressure monitor readings of 34% of patients were erroneous. When utilizing 4 mm Hg as the cutoff point Campbell et al. found that 35 percent of home blood pressure monitors had incorrect readings.